| ISS (ZARYA) | 145.825 | 145.825 | AFSK | Mode V APRS | active |  | - |
| ISS (ZARYA) | 144.490 | 145.800 | FM | Mode V/V FM (crew R2+3) | inactive |  | - |
| ISS (ZARYA) | 145.200 | 145.800 | FM | Mode V/V FM (crew R1) | inactive |  | - |
| ISS (ZARYA) | - | 145.480 | SSTV | TEMP Off-Frequency SSTV | inactive |  | - |
| ISS (ZARYA) | - | 143.625 | FMN | VHF-1 Soyuz Communication - FMN | active |  | - |
| ISS (ZARYA) | - | 130.167 | FMN | VHF-2 Soyuz Communication - FMN | active |  | - |
| ISS (ZARYA) | - | 437.023 | FM | Tomsk-TPU-120 | inactive |  | - |
| ISS (ZARYA) | - | 437.050 | FM | Tanusha FM | inactive |  | - |
| ISS (ZARYA) | - | 121.750 | FM | Soyuz / Orlan space suit | active |  | - |
| ISS (ZARYA) | - | 137.626 | CW | Mystery transmitter 137.6257MHz | active |  | - |
| ISS (ZARYA) | - | 2265.000 | QPSK | ISS CCSDS Data 1 | active |  | - |
| ISS (ZARYA) | 145.825 | 145.825 | AFSK | Mode V/V APRS | inactive |  | - |
| ISS (ZARYA) | - | 437.800 | FSK | IORS Telemetry | inactive |  | - |
| ISS (ZARYA) | - | 468.100 | PSK | ICARUS Animal-Tracker Experiment | active |  | - |
| ISS (ZARYA) | - | 437.525 | FM | UHF School Contact Downlink (Backup During SSTV event) | inactive |  | - |
| ISS (ZARYA) | - | 632.000 | FM | Control Module "Zarya" | active |  | - |
| ISS (ZARYA) | - | 630.128 | FM | Service Module "Zvezda" (Upper side band) | active |  | - |
| ISS (ZARYA) | - | 435.400 | FM | Mode U - Possibly Voice | inactive |  | - |
| ISS (ZARYA) | - | 121.100 | FM | Suit 1 | active |  | - |
| ISS (ZARYA) | - | 121.275 | FM | Suit 2 | active |  | - |
| ISS (ZARYA) | 437.800 | 145.800 | FM | Mode U/V FM Voice | inactive |  | - |
| ISS (ZARYA) | 437.550 | 437.550 | AFSK | Mode U APRS Digi | inactive |  | - |
| ISS (ZARYA) | - | 417.100 | FSK | EMU Alt | active |  | - |
| ISS (ZARYA) | - | 2425.000 | FM | Mode S1 | inactive |  | - |
| ISS (ZARYA) | - | 2375.000 | FM | Mode S2 | active |  | - |
| ISS (ZARYA) | - | 400.575 | FM | EVA/WVS | active |  | - |
| ISS (ZARYA) | - | 637.500 | FM | Rassvet | active |  | - |
| ISS (ZARYA) | - | 400.500 | BPSK | CUCU (SpaceX COTS UHF Communication Unit) | active |  | - |
| ISS (ZARYA) | - | 2205.500 | BPSK | SpaceX Dragon Wideband Telemetry | active |  | - |
| ISS (ZARYA) | - | 2216.000 | BPSK | SpaceX Dragon narrowband telemetry | active |  | - |
| ISS (ZARYA) | - | 2213.500 | BPSK | SpaceX Falcon Wideband Telemetry | active |  | - |
| ISS (ZARYA) | - | 139.208 | FMN | Suit 3 | active |  | - |
| ISS (ZARYA) | - | 922.750 | FM | CW Soyuz-TM and Progress M1 beacon | active |  | - |
| ISS (ZARYA) | - | 166.000 | FM | Soyuz-TM and Progress M-1 TLM | active |  | - |
| ISS (ZARYA) | - | 922.763 | CW | Regul | active |  | - |
| ISS (ZARYA) | - | 2860.000 | AM | TORU S1 | active |  | - |
| ISS (ZARYA) | - | 2725.000 | AM | Toru S2 | active |  | - |
| ISS (ZARYA) | - | 768.975 | FMN | Kvant | active |  | - |
| ISS (ZARYA) | - | 2272.500 | GMSK | Falcon 9 CCSDS 2272.5 | active |  | - |
| ISS (ZARYA) | - | 2232.500 | GMSK | Falcon 9 CCSDS 2232.5 | active |  | - |
| ISS (ZARYA) | - | 414.200 | FSK | EMU (695000) | active |  | - |
| ISS (ZARYA) | - | 437.800 | SSTV | Mode U - SSTV | inactive |  | - |
| ISS (ZARYA) | - | 2395.000 | DVB-S2 | Mode S - HamTV DVB-S | active |  | - |
| ISS (ZARYA) | - | 437.550 | SSTV | Mode PD120 FRAM2 Ham ISS simulation | inactive |  | - |
| ISS (ZARYA) | - | 437.800 | SSTV | Mode U - Imaging | inactive |  | - |
| ISS (ZARYA) | 145.990 | 437.800 | FM | Mode V/U FM - Voice Repeater CTCSS 67.0 Hz | active |  | - |
| ISS (ZARYA) | - | 145.800 | SSTV | Mode V Imaging | inactive |  | Active during special events |
| ISS (ZARYA) | 437.825 | 437.825 | AFSK | Mode U APRS test | active |  | - |
| DOSAAF-85 (RS-44) | - | 435.605 | CW | Mode U - Beacon | active |  | - |
| DOSAAF-85 (RS-44) | - | 435.315 | FSK | Mode U | inactive |  | - |
| DOSAAF-85 (RS-44) | 145.935 - 145.995 | 435.610 - 435.670 | USB | Mode V/U - Transponder | active |  | One of the most popular satellites. Inverting transponder, high and good orbit, possible to work the eastern US every day from Sweden. Easy to operate. Signal strength may vary occasionally; if so, wait a minute and the signal strength will increase again. |
| DOSAAF-85 (RS-44) | - | 435.215 | DOKA | Doka-B | inactive |  | - |
| DOSAAF-85 (RS-44) | - | 435.660 | BPSK | Mode U Audio | inactive |  | - |
| SAUDISAT 1C (SO-50) | 145.850 | 436.795 | FM | Mode V/U FM Voice CTCSS 67.0 Hz | active |  | Works well. Use 67 Hz sub-tone. If necessary, it needs to be activated with a 74.4 Hz sub-tone. |
| SAUDISAT 1C (SO-50) | - | 149.025 | FM | Mode V TLM | active |  | - |
| JAS-2 (FO-29) | - | 435.795 | CW | Mode U CW Beacon | active |  | - |
| JAS-2 (FO-29) | 145.900 - 146.000 | 435.800 - 435.900 | USB | Mode V/U Linear Transponder | active |  | Reported working Mars 2026 |
| JAS-2 (FO-29) | - | 435.910 | FM | Mode U Digitalker | dead |  | - |
| FUNCUBE-1 (AO-73) | 435.130 - 435.150 | 145.950 - 145.970 | USB | Mode U/V Linear | active |  | The signal has a lot of fading but is otherwise strong, with few users.
|
| FUNCUBE-1 (AO-73) | - | 145.815 | CW | CW Beacon | inactive |  | - |
| FUNCUBE-1 (AO-73) | - | 145.935 | BPSK | BPSK Telemetry | active |  | - |
| JY1Sat (JO-97) | - | 145.840 | BPSK | BPSK1k2 TLM | active |  | - |
| JY1Sat (JO-97) | 435.100 - 435.120 | 145.855 - 145.875 | USB | U/V SSB Transponder | active |  | Good satellite with few users, sensitive receiver. Some QRM occurs. |
| JY1Sat (JO-97) | 435.100 - 435.120 | 145.855 - 145.875 | CW | U/V CW Transponder | active |  | - |
| OSCAR 7 (AO-7) | - | 435.100 | CW | Mode U TLM Beacon | active |  | - |
| OSCAR 7 (AO-7) | - | 145.978 | CW | Mode U/V (B) TLM Beacon | active |  | - |
| OSCAR 7 (AO-7) | 145.850 - 145.950 | 29.400 - 29.500 | USB | Mode V/A (A) Lin SSB | active |  | - |
| OSCAR 7 (AO-7) | 145.850 - 145.950 | 29.400 - 29.500 | CW | Mode V/A (A) Lin CW | active |  | - |
| OSCAR 7 (AO-7) | 432.125 - 432.175 | 145.925 - 145.975 | USB | Mode U/V (B) Lin | active |  | Inverting transponder, high and good orbit. Can only be operated when in sunlight. The satellite is over 50 years old! |
| OSCAR 7 (AO-7) | - | 29.502 | CW | Mode V/A (A) TLM Beacon | active |  | - |
| OSCAR 7 (AO-7) | - | 2304.100 | CW | 13 cm Beacon (40mW) | active |  | - |
| ASRTU-1 (AO-123) | - | 10460.000 | QPSK | Image download | active |  | - |
| ASRTU-1 (AO-123) | 145.850 | 435.400 | FM | Mode V/U - FM Transceiver | active |  | - |
| ASRTU-1 (AO-123) | - | 435.400 | BPSK | Mode U - Telemetry | active |  | - |
| ASRTU-1 (AO-123) | - | 436.210 | BPSK | Mode U - SSDV | active |  | - |
| FOX-1B (AO-91
RADFXSAT) | - | 145.960 | DUV | DUV TLM | active |  | - |
| FOX-1B (AO-91
RADFXSAT) | 435.250 | 145.960 | FM | Mode U/V FM Voice CTCSS 67.0Hz | active |  | Due to battery status, please do not attempt to access while in eclipse |
| Es'hail 2 (QO-100) | - | 10489.795 - 10489.800 | BPSK | BPSK400 Upper Beacon | active |  | - |
| Es'hail 2 (QO-100) | - | 10489.550 - 10489.555 | CW | CW Lower Beacon | inactive |  | - |
| Es'hail 2 (QO-100) | 2400.055 - 2400.100 | 10489.555 - 10489.600 | CW | CW Only Transpoder | inactive |  | - |
| Es'hail 2 (QO-100) | 2400.100 - 2400.120 | 10489.600 - 10489.620 | FM | Narrowband digimodes(500Hz max BW) | inactive |  | - |
| Es'hail 2 (QO-100) | 2400.120 - 2400.140 | 10489.620 - 10489.640 | FM | digimodes(2700Hz max BW) | inactive |  | - |
| Es'hail 2 (QO-100) | 2400.140 - 2400.190 | 10489.640 - 10489.690 | FM | Mixed modes(2700Hz max BW) | inactive |  | - |
| Es'hail 2 (QO-100) | 2400.190 - 2400.295 | 10489.690 - 10489.795 | FM | SSB Only Transpoder | inactive |  | - |
| Es'hail 2 (QO-100) | - | 10489.500 - 10489.505 | CW | CW Lower Beacon | active |  | - |
| Es'hail 2 (QO-100) | 2400.005 - 2400.040 | 10489.505 - 10489.540 | CW | CW Only Transpoder | active |  | - |
| Es'hail 2 (QO-100) | 2400.040 - 2400.080 | 10489.540 - 10489.580 | FM | Narrowband digimodes(500Hz max BW) | active |  | - |
| Es'hail 2 (QO-100) | 2400.080 - 2400.150 | 10489.580 - 10489.650 | FM | digimodes(2700Hz max BW) | active |  | - |
| Es'hail 2 (QO-100) | 2400.150 - 2400.245 | 10489.650 - 10489.745 | FM | SSB Only Transpoder | active |  | - |
| Es'hail 2 (QO-100) | 2400.255 - 2400.350 | 10489.755 - 10489.850 | FM | SSB Only Transpoder | active |  | - |
| Es'hail 2 (QO-100) | - | 10489.745 - 10489.755 | BPSK | BPSK400 Middle Beacon | active |  | - |
| Es'hail 2 (QO-100) | 2400.350 - 2400.495 | 10489.850 - 10489.995 | FM | Mixed modes(2700Hz max BW) | active |  | - |
| Es'hail 2 (QO-100) | - | 10489.995 - 10490.000 | CW | CW Experimental Beacon | active |  | - |
| Es'hail 2 (QO-100) | - | 10489.745 - 10489.755 | BPSK | BPSK400 Middle Beacon | active |  | - |
| Es'hail 2 (QO-100) | - | 10489.550 - 10489.555 | BPSK | BPSK400 Lower Beacon | inactive |  | - |
| Es'hail 2 (QO-100) | - | 10489.995 - 10490.000 | FM | Experimental Beacon | active |  | - |
| Es'hail 2 (QO-100) | - | 10489.795 - 10489.800 | CW | CW Upper Beacon | inactive |  | - |
| Es'hail 2 (QO-100) | 2400.360 | 10489.860 | USB | International Emergency Frequency | active |  | - |
| Es'hail 2 (QO-100) | - | 10489.635 | OFDM | IS0GRB Winlink Server | active |  | - |
| Es'hail 2 (QO-100) | - | 10489.635 | OFDM | IS0GRB Winlink Server | active |  | - |
| 1KUNS-PF (1KUNS) | - | 437.302 | GMSK | Telemetry (drifting) | re-entered |  | - |
| 1KUNS-PF (1KUNS) | - | 437.300 | GMSK | TLM GMSK | re-entered |  | - |
| 1KUNS-PF (1KUNS) | - | 437.300 | MSK AX.100 Mode 5 | TLM GMSK 9k6 | re-entered |  | - |
| 2019-032G - Unknown Satellite | - | 401.305 | FM | Downlink | active |  | - |
| 2019-087E - Unknown Satellte | - | 401.687 | FM | Downlink | re-entered |  | - |
| 2019-093F | - | 401.546 | FM | Mode U | active |  | - |
| 2023-091T | - | 435.050 | LoRa | Mode U - LoRa 62.5k | active |  | - |
| 21091K Unknown Sat 2 | - | 435.775 | BPSK | Mode U - BPSK 6666 | re-entered |  | - |
| 23117C | - | 400.450 | FSK | Mode U - Transmitter | active |  | - |
| 23193C | - | 401.612 | FM | Mode U - Transmitter | active |  | - |
| 239Alferov (239-PTS) | - | 10473.350 | DVB-S2 | Mode X - DVB-S2 | active |  | - |
| 239Alferov (239-PTS) | - | 436.270 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Telemetry (Geoscan framing) | active |  | - |
| 24024G | - | 2246.400 | FM | Mode S - Transmitter | active |  | - |
| 24153A | - | 400.055 | FM | Mode U - Transmitter | active |  | - |
| 24153A | - | 400.455 | FM | Mode U - Transmitter | active |  | - |
| 3B5GSAT (Sateliot-1) | - | 399.975 | QPSK | Downlink 1 | re-entered |  | - |
| 3B5GSAT (Sateliot-1) | - | 400.570 | QPSK | Downlink 2 | re-entered |  | - |
| 3B5GSAT (Sateliot-1) | - | 400.550 | QPSK | Possible downlink | re-entered |  | - |
| 3B5GSAT (Sateliot-1) | - | 1521.540 | FM | Mode L - Possible | re-entered |  | - |
| 3B5GSAT (Sateliot-1) | - | 2180.440 | FM | Mode S - Possible | re-entered |  | - |
| 3B5GSAT (Sateliot-1) | - | 2261.500 | BPSK | S-band telemetry | re-entered |  | - |
| 3CAT-1 (³Cat-1) | - | 437.250 | CW | CW Beacon | re-entered |  | - |
| 3CAT-1 (³Cat-1) | - | 437.250 | FSK | FSK9k6 TLM | re-entered |  | - |
| 3CAT-2 | - | 145.970 | BPSK | Mode V Telemetry | re-entered |  | - |
| 3CAT-2 | - | 2401.000 | BPSK | Mode S Telemetry (115200) | re-entered |  | - |
| 3CAT-4 (³Cat-4) | - | 437.350 | GMSK | Mode U - GMSK14k4 | active |  | - |
| 3CAT-5/A, FSSCat A (TYVAK 0161) | - | 401.337 | FM | Downlink | active |  | - |
| 3CAT-5/B, FSSCat B (TYVAK 0162) | - | 401.377 | FM | Downlink | active |  | - |
| 3UCUBED-A | - | 437.010 | GFSK | Mode U - GFSK9k6 | active |  | - |
| 6GSTARLAB | - | 2275.000 | BPSK | S-Band | active |  | - |
| A-SEANSAT-PG1 (PG1) | - | 401.523 | GMSK USP | Mode U - GMSK 2k4 USP FEC | active |  | - |
| A-SEANSAT-PG1 (PG1) | - | 401.634 | GMSK USP | Mode U - GMSK 2k4 USP FEC | active |  | - |
| AAC-AIS-SAT2 (2023-084BY) | - | 2241.000 | BPSK | S-band telemetry | active |  | - |
| AAC-AIS-SAT3 (2023-174DJ) | - | 2241.000 | BPSK | S-band telemetry | active |  | - |
| AALTO-1 (OH2A1S) | - | 437.220 | CW | TLM CW | re-entered |  | - |
| AALTO-1 (OH2A1S) | - | 437.220 | FSK AX.25 G3RUH | GFSK9600 | re-entered |  | - |
| AALTO-1 (OH2A1S) | - | 2402.000 | GMSK | S-Band downlink (TI CC1125) | re-entered |  | - |
| AALTO-2 (FI01 ON01FI) | - | 437.335 | GFSK | TLM GFSK | re-entered |  | - |
| AAUSAT 3 | - | 437.425 | CW | Mode 4800bps FSK CW | active |  | - |
| AAUSAT 4 | - | 437.425 | CW | Mode U Beacon | re-entered |  | - |
| AAUSAT 4 | - | 437.424 | GMSK | Mode U TLM (default, drifting) | re-entered |  | - |
| AAUSAT 4 | - | 437.424 | GMSK | Mode U TLM | re-entered |  | - |
| AAUSAT 5 | - | 437.425 | CW | CW TLM | re-entered |  | - |
| AAUSAT 5 | - | 437.425 | GMSK | 1k2 GMSK TLM | re-entered |  | - |
| AAUSAT 5 | - | 437.425 | GMSK | 9k6 GMSK TLM | re-entered |  | - |
| AAUSAT 5 | - | 437.425 | FSK | 4k8 BFSK TLM | re-entered |  | - |
| AAUSAT-II (CUBESAT-2; AAUSAT-2) | - | 437.425 | AFSK | Mode U 1k2 AFSK TLM | re-entered |  | - |
| AC1-001 | - | 2255.000 | FM | S-Band | active |  | - |
| AC1-002 | - | 2255.000 | FM | S-Band | active |  | - |
| AC1-003 | - | 2255.000 | FM | S-Band | active |  | - |
| Acadia-5 (CAPELLA-15) | - | 8027.000 | FM | Mode X - 1.4MHz - T&C downlink | active |  | - |
| Acadia-5 (CAPELLA-15) | - | 8212.500 | FM | Mode X - 337.5MHz - Payload | active |  | - |
| ACRUX-1 | - | 437.200 | GFSK | MODE U GFSK9k6 AX.25 | re-entered |  | - |
| ACRUX-1 | - | 437.425 | GFSK | MODE U GFSK9k6 AX.25 - Factory Setting | re-entered |  | - |
| ACS3 (Advanced Composite Solar Sail System) | - | 2268.000 | FM | Mode S - NanoAvionics | active |  | - |
| ACS3 (Advanced Composite Solar Sail System) | - | 401.500 | GMSK | Mode U - NanoAvionics | active |  | - |
| ADDCUBE | - | 2412.000 | FM | Mode S - Transmitter | active |  | - |
| ADDCUBE | - | 435.500 | FM | Mode U - Transmitter | active |  | - |
| Adelis-Sampson 2 (SAMSON 2) | - | 148.800 | FM | Downlink | re-entered |  | - |
| Adelis-Sampson 3 (SAMSON 3) | - | 148.800 | FM | Possible Downlink | re-entered |  | - |
| Aditya-L1 | - | 8482.320 | FM | Mode X1 | active |  | - |
| Aditya-L1 | - | 8497.500 | FM | Mode X2 | active |  | - |
| AE1c (AE-SAT) | - | 2277.300 | FM | Mode S - Transmitter | active |  | - |
| AE1c (AE-SAT) | - | 2228.000 | FM | Mode S - Transmitter | active |  | - |
| AE1c (AE-SAT) | - | 8340.000 | FM | Mode X - Transmitter | active |  | - |
| AE1c (AE-SAT) | - | 922.000 | FM | Mode U - Transmitter | active |  | - |
| AE1d (AE-SAT) | - | 2277.300 | FM | Mode S - Transmitter | active |  | - |
| AE1d (AE-SAT) | - | 2228.000 | FM | Mode S - Transmitter | active |  | - |
| AE1d (AE-SAT) | - | 8340.000 | FM | Mode X - Transmitter | active |  | - |
| AE1d (AE-SAT) | - | 922.000 | FM | Mode U - Transmitter | active |  | - |
| AENEAS | - | 437.600 | AFSK | TLM AFSK | active |  | - |
| Aeolus | - | 2205.000 | FM | Mode S - TT&C | re-entered |  | - |
| AEPEX | - | 437.325 | GFSK | Mode U - GFSK19k2 - AX.25 G3RUH | future |  | - |
| AEPEX | - | 437.325 | GFSK | Mode U - GFSK9k6 - AX.25 G3RUH | future |  | - |
| AEPEX | - | 2405.000 | OQPSK | Mode S - OQPSK 10Mbps - CCSDS | future |  | - |
| AEPEX | - | 2405.000 | OQPSK | Mode S - OQPSK 5Mbps - CCSDS | future |  | - |
| AEROCUBE 16B (2024-053D) | - | 2225.000 | FM | S-band telemetry | active |  | - |
| AEROCUBE-18 A | - | 2225.000 | OQPSK | Mode U - OQPSK 1Mbps | active |  | - |
| AEROCUBE-18 B | - | 2225.000 | OQPSK | Mode U - OQPSK 1Mbps | active |  | - |
| AETS-1 (AE-SAT) | - | 2277.300 | FM | Mode S - Transmitter 1 | re-entered |  | - |
| AETS-1 (AE-SAT) | - | 2228.000 | FM | Mode S - Transmitter 2 | re-entered |  | - |
| AETS-1 (AE-SAT) | - | 8340.000 | FM | Mode X - Transmitter | re-entered |  | - |
| AETS-1 (AE-SAT) | - | 922.000 | FM | Mode U - Transmitter | re-entered |  | - |
| AFR-1 | - | 2245.000 | FM | Mode S - Transmitter | active |  | - |
| AFR-1 | - | 8210.000 | FM | Mode X - Transmitter | active |  | - |
| AFR-1 | - | 436.630 | FM | Mode U - Transmitter | active |  | - |
| AFRL-XVI | - | 2230.300 | FM | Mode S - Transmitter | re-entered |  | - |
| AGGIESAT 4 | - | 436.250 | FSK | Telemetry | re-entered |  | - |
| AGILE (Astro‐Rivelatore Gamma a Immagini Leggero) | - | 149.000 | FM | Space-to-Space | re-entered |  | - |
| AHMAT-1 (RS41S) | - | 437.050 | AFSK | Mode U - AFSK 1145 TLM | active |  | - |
| AHMAT-1 (RS41S) | - | 437.050 | SSTV | Mode U - SSTV | active |  | - |
| AHMAT-1 (RS41S) | - | 435.800 | AFSK | Possible Mode U | active |  | - |
| AII-BRAVO (Bravo) | - | 401.050 | FM | Downlink | active |  | - |
| AII-BRAVO (Bravo) | - | 402.001 | FM | second telemetry frequency | active |  | - |
| AII-CHARLIE | - | 401.050 | FM | Mode U - Unknown | re-entered |  | - |
| AII-DELTA | - | 401.050 | FM | Mode U - Transmitter | re-entered |  | - |
| AII-DELTA | - | 402.001 | FM | Possilble | re-entered |  | - |
| AIM (Aeronomy of Ice in the Mesosphere) | - | 2282.508 | BPSK | S Downlink | re-entered |  | - |
| AISat | - | 437.250 | CW | CW Beacon | active |  | - |
| AISat | - | 2259.000 | FM | 2259 TLM | active |  | - |
| AISat | - | 437.505 | CW | CW Beacon | active |  | - |
| AISAT-1 (ExseedSat-2) | 145.825 | 145.825 | AFSK | APRS AFSK1k2 | re-entered |  | - |
| AISAT-1 (ExseedSat-2) | - | 2259.000 | FM | 2259.000 | re-entered |  | - |
| AISAT-1 (ExseedSat-2) | - | 2279.000 | FM | 2279.000 | re-entered |  | - |
| AIST-1 (RS-41) | - | 435.265 | CW | Telemetry Beacon | active |  | - |
| AIST-1 (RS-41) | - | 435.265 | PSK | PSK | active |  | - |
| AIST-2D (RS-48) | - | 435.315 | DOKA | Mode U Doka-B PM/PCM | re-entered |  | - |
| AIST-2D (RS-48) | - | 435.365 | DOKA | Mode U Doka-B PM/PCM | re-entered |  | - |
| AIST-2D (RS-48) | - | 437.235 | DOKA | Mode U Doka-B PM/PCM | re-entered |  | - |
| AIST-2D (RS-48) | - | 435.270 | DOKA | DOKA | re-entered |  | - |
| AIST-ST (RS86S) | - | 436.995 | LoRa | Mode U - LoRa | active |  | - |
| AISTECHSAT-2 | - | 436.730 | FSK AX.100 Mode 5 | GFSK4k8 | active |  | - |
| AISTECHSAT-2 | - | 436.600 | GFSK | Telemetry | inactive |  | - |
| AISTECHSAT-2 | - | 436.730 | FSK AX.100 Mode 5 | GFSK9K6 | inactive |  | - |
| AISTECHSAT-3 (Danu Pathfinder) | - | 436.730 | FSK AX.100 Mode 5 | Mode U - GFSK4k8 | re-entered |  | - |
| AISTECHSAT-3 (Danu Pathfinder) | - | 436.730 | FSK AX.100 Mode 5 | Mode U - GFSK9k6 | re-entered |  | - |
| AKEBONO (EXOS-D) | - | 400.450 | CW | 400.45 CW | re-entered |  | - |
| AKEBONO (EXOS-D) | - | 2280.500 | FM | S band center | re-entered |  | - |
| AKEBONO (EXOS-D) | - | 2281.250 | FM | S band edge | re-entered |  | - |
| al-Farabi-2 (UN1GWA) | - | 436.500 | CW | CW Beacon | active |  | - |
| al-Farabi-2 (UN1GWA) | - | 436.500 | GMSK | GMSK4k8 TLM | active |  | - |
| Al-Munther (ALMUNTHER) | - | 401.175 | BPSK | Mode U - Transmitter AX.25 G3RUH | active |  | - |
| Al-Munther (ALMUNTHER) | - | 436.500 | BPSK | Mode U - Transmitter AX.25 G3RUH | active |  | - |
| ALAINSAT-1 | - | 2260.000 | FM | Mode S - Transmitter 1 | active |  | - |
| ALAINSAT-1 | - | 2279.000 | FM | Mode S - Transmitter 2 | active |  | - |
| ALAINSAT-1 | - | 2268.000 | FM | Mode S - Transmitter 3 | active |  | - |
| ALAINSAT-1 | - | 400.850 | MSK AX.100 Mode 5 | Mode U - FSK4k8 AX.100 | active |  | - |
| ALAINSAT-1 | - | 400.650 | MSK AX.100 Mode 5 | Mode U - MSK4k8 AX.100 | active |  | - |
| AlfaCrux | - | 437.100 | FSK AX.100 Mode 5 | Mode U - FSK 4k8 TLM | re-entered |  | - |
| AlfaCrux | - | 437.125 | FM | SDR Payload | re-entered |  | - |
| AlfaCrux | 437.225 | 437.225 | FM | Mode U Digipeater | re-entered |  | - |
| AlfaCrux | - | 437.100 | GMSK | TT&C | re-entered |  | - |
| Alos 2 (Daichi-2) | - | 2220.000 | FM | S-Band telemetry | active |  | - |
| ALOS-4 Daichi-4 (2024-123A) | - | 2220.000 | BPSK | S-band telemetry | active |  | - |
| ALOUETTE-2 | - | 136.981 | USB | carrier wave | active |  | - |
| ALPHA | - | 436.500 | FSK | Mode U - FSK9k6 | active |  | - |
| ALPHA | - | 436.500 | LoRa | Mode U - LoRa | active |  | - |
| ALSAT 1B (2016-059C) | - | 2233.332 | FM | S-band telemetry | active |  | - |
| ALSAT 1N (AlSat-Nano) | - | 437.650 | FSK | Mode 9600bps FSK | active |  | - |
| ALSAT 2A (2010-035D) | - | 2266.500 | BPSK | S-band telemetry | active |  | - |
| ALSAT 2B (2016-059D) | - | 2266.500 | FM | S-band telemetry | active |  | - |
| Altair (Альтаир) | - | 435.615 | BPSK | Mode U - BPSK (DOKA) - 4k8 | active |  | - |
| Altair (Альтаир) | - | 435.715 | BPSK | Mode U - BPSK (DOKA) - 4k8 | active |  | - |
| Altair (Альтаир) | - | 435.215 | AFSK | Mode U - Transmitter | active |  | - |
| AMAN-1 (STORK-7) | - | 401.100 | FSK | Mode U - Transmitter | re-entered |  | - |
| AMGU-1 (AMURSAT) | - | 436.250 | FM | Mode U Mobitex 4k8 | re-entered |  | - |
| AmicalSat (RS17S) | - | 436.100 | AFSK | Mode U - AFSK1k2 TLM | re-entered |  | - |
| AmicalSat (RS17S) | - | 2415.300 | GFSK | Mode S - GFSK 1Mbps Payload | re-entered |  | - |
| ANAND | - | 401.900 | FM | Mode U - Beacon | re-entered |  | - |
| ANGELS | - | 1698.400 | FM | Mode L - Downlink | active |  | - |
| ANGELS | - | 2238.500 | FM | 2238.5 | active |  | - |
| ANGELS | - | 465.988 | BPSK PMT-A3 | Mode U - ARGOS | inactive |  | - |
| ANGELS | - | 1703.000 | FM | Mode L - TTC | active |  | - |
| ANSER FOLLOWER 1 | - | 401.850 | FSK | Mode U - FSK9k6 | active |  | - |
| ANSER FOLLOWER 2 | - | 401.850 | FSK | Mode U - FSK9k6 | active |  | - |
| ANSER LEADER (Advanced Nanosatellite Systems for Earth-observation Research) | - | 401.850 | FM | Mode U - Leader | re-entered |  | - |
| ANSER Leader-S (ANSER-L-S) | - | 401.850 | FSK | Mode U - Transmitter | active |  | - |
| ANSER Leader-S (ANSER-L-S) | - | 2204.525 | FM | Mode S - Transmitter | active |  | - |
| Anxi Tieguanyin 1 (Jilin-1 GaoFen 03D 18) | - | 401.734 | FM | Mode U | active |  | - |
| AOBA VELOX-IV | - | 437.225 | GMSK | GMSK9k6 TLM | re-entered |  | - |
| AOBA-VELOX 3 (AOBA-VeloxIII) | - | 437.375 | AFSK | 1k2 AFSK TLM | re-entered |  | - |
| AOBA-VELOX 3 (AOBA-VeloxIII) | - | 437.371 | CW | CW TLM | re-entered |  | - |
| AOXIANG-1 (CN04 ON04CN) | - | 436.150 | BPSK | TLM BPSK | re-entered |  | - |
| APEX ARIES 1 | - | 400.500 | FSK | Mode U - FSK9k6 - Downlink | active |  | - |
| APEX ARIES 1 | - | 2287.501 | FM | S-band telemetry | active |  | - |
| APRIZESAT 10 (2014-033K) | - | 400.573 | GMSK | GMSK 9600 | active |  | - |
| AprizeSat 7 (EV 5R) | - | 400.585 | GMSK | Store and dump | active |  | - |
| AprizeSat 8 (EV 12) | - | 400.553 | GMSK | Store and dump | active |  | - |
| AprizeSat 9 (EV 11) | - | 400.552 | GMSK | Store and dump | active |  | - |
| AprizeSat-6 (EV 6) | - | 400.591 | GMSK | Store and dump | active |  | - |
| APSS-1 | - | 435.100 | GMSK | Mode U - GMSK | re-entered |  | - |
| AQUA (2002-022A) | - | 2287.500 | BPSK | S-band telemetry | active |  | - |
| AQUA (2002-022A) | - | 8160.000 | SQPSK | X-band downlink [SQPSK, RHCP, 255/223] Transmitter | active |  | - |
| ARCADE | - | 437.760 | GFSK | Mode U - GFKS9k6 | active |  | - |
| ArcCube-01 (RS25S) | - | 437.600 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| ArcCube-01 (RS25S) | - | 437.600 | GMSK | Mode U - GMSK4k8 | re-entered |  | - |
| ArcCube-01 (RS25S) | - | 437.600 | GMSK | Mode U - GMSK2k4 | re-entered |  | - |
| ArcCube-01 (RS25S) | - | 437.600 | GMSK USP | Mode U - GMSK1k2 | re-entered |  | - |
| ARCE-1A | - | 2417.000 | QPSK | Mode S - QPSK | re-entered |  | - |
| ARCE-1B | - | 2417.000 | QPSK | Mode S - QPSK | re-entered |  | - |
| ARCE-1C | - | 2417.000 | QPSK | Mode S - QPSK | re-entered |  | - |
| ARCSAT | - | 314.700 | FM | Mode U 1 | active |  | - |
| ARCSAT | - | 312.050 | FM | Mode U 2 | active |  | - |
| ARCSAT | - | 268.800 | FM | Mode U 3 | active |  | - |
| ARCSAT | - | 267.300 | FM | Mode U 4 | active |  | - |
| ARCSAT | - | 2206.500 | BPSK | S-band telemetry | active |  | - |
| ARCSAT | - | 2260.000 | FMN | S-band telemetry | active |  | - |
| ARCSTONE | - | 2203.000 | FM | Mode S - Transmitter | active |  | - |
| Arctic Weather Satellite (AWS PFM) | - | 2230.000 | FM | Mode S - Downlink | active |  | - |
| Arctic Weather Satellite (AWS PFM) | - | 1707.000 | FM | Mode L - 3570kbps - Downlink | active |  | - |
| ArcticSat-1 (RS74S) | - | 435.890 | SSTV | Mode U - Robot 36 SSTV | active |  | - |
| ArcticSat-1 (RS74S) | - | 435.890 | GMSK USP | Mode U - GMSK 2k4 (USP) TLM | active |  | - |
| ARGOS-4 (OTB-3) | - | 1703.000 | QPSK | A-DCS L-band downlink | active |  | - |
| ARGOS-4 (OTB-3) | - | 465.988 | OQPSK | A-DCS UHF downlink | inactive |  | - |
| Argus-2 (MVP-ArgusMVP ASLU-03) | - | 437.290 | GFSK | Mode U GFSK9k6 TLM | re-entered |  | - |
| Ariane 6 - Upper Stage | - | 2235.000 | FM | Mode S - PariSat (Payload) | active |  | - |
| Ariane 6 - Upper Stage | - | 401.500 | SIDLOC | Mode U - SIDLOC (Payload) | active |  | - |
| Ariane 6 - Upper Stage | - | 144.175 | FT8 | Mode V - GENESIS-A (YPSAT) (Payload) - FT8 | active |  | - |
| Ariane 6 - Upper Stage | - | 144.550 | SSTV | Mode V - GENESIS-A (YPSAT) (Payload) - SSTV (Robot 36) | active |  | - |
| Ariane 6 - Upper Stage | - | 2440.000 | DATV | Mode S - YPSAT (Payload) - DATV | active |  | - |
| ARKSAT-1 | - | 435.450 | FSK | Mode U 9k6 AX.25 G3RUH | future |  | - |
| Arktika-M1 | - | 1544.500 | FM | SARSAT L-Band | active |  | - |
| Arktika-M1 | - | 1703.000 | FM | Mode L - DCP | active |  | - |
| Arktika-M1 | - | 1703.000 | FM | Mode L - GGAK-VE | inactive |  | - |
| Arktika-M1 | - | 7865.000 | FM | Mode X - RDAS | active |  | - |
| ARKYD 6A (A6A) | - | 401.500 | QPSK | Beacon | re-entered |  | - |
| ARKYD 6A (A6A) | - | 401.500 | GFSK | 9K6 GFSK | re-entered |  | - |
| ARKYD 6A (A6A) | - | 401.510 | FM | Downlink | re-entered |  | - |
| ARKYD 6A (A6A) | - | 401.989 | FM | Downlink | re-entered |  | - |
| ARMADILLO | - | 437.525 | CW | Mode U CW Beacon | re-entered |  | - |
| ARMADILLO | - | 437.525 | GMSK | Mode U GMSK38k4 | re-entered |  | - |
| ARMADILLO | - | 437.525 | GFSK | Mode U GFSK19k2 | re-entered |  | - |
| ARTEMIS 1 (Orion) | - | 2245.000 | FM | Possible Mode S | re-entered |  | - |
| ARTEMIS 1 (Orion) | - | 2203.200 | FM | RPOD Docking System | re-entered |  | - |
| ARTEMIS 1 (Orion) | - | 2216.500 | FM | Orion TDRS 1 | re-entered |  | - |
| ARTEMIS 1 (Orion) | - | 2287.500 | FM | Orion TDRS 2 | re-entered |  | - |
| Arthur-1 (2021-059CC) | - | 2283.000 | BPSK | S-band telemetry | re-entered |  | - |
| ARVAKER I | - | 2245.000 | FM | Mode S - Transmitter | active |  | - |
| ASELSAT | - | 436.950 | CW | Mode U - CW | re-entered |  | - |
| ASELSAT | - | 436.950 | GMSK | Data Telemetry | re-entered |  | - |
| ASNARO (2014-070A) | - | 2271.600 | BPSK | S-band telemetry | active |  | - |
| Asnaro-2 (2018-007A) | - | 2271.604 | FM | S-band telemetry | active |  | - |
| ASO-S (Kuafu) (2022-129A) | - | 2221.201 | BPSK | S-band telemetry | active |  | - |
| ASO-S (Kuafu) (2022-129A) | - | 2207.206 | FM | S-band telemetry | inactive |  | - |
| ASTERISC (2021-102A) | - | 2285.016 | FM | Mode S (Weak) | re-entered |  | - |
| ASTEX 1 (1971-089A) | - | 2242.528 | FM | S-band telemetry | active |  | - |
| ASTROBIO (ABCS) | - | 435.600 | FSK | Mode U - FSK9k6 AX25 G3RUH | active |  | - |
| ASTROBIO (ABCS) | - | 437.425 | FSK | Mode U - Factory Reset Frequency | active |  | - |
| Astrocast 0.1 (Kiwi) | - | 2406.000 | FM | Transmitter | active |  | - |
| Astrocast 0.1 (Kiwi) | - | 437.150 | FSK | Mode U - FSK1k2 | active |  | - |
| Astrocast 0.1 (Kiwi) | - | 437.300 | AFSK | Mode U - AFSK1k2 | inactive |  | - |
| Astrocast 0.2 (HB9GSF) | - | 437.175 | FSK | Telemetry beacon | re-entered |  | - |
| Astrocast 0.2 (HB9GSF) | - | 2406.000 | FM | Transmitter | re-entered |  | - |
| Astrocast 0.2 (HB9GSF) | - | 437.175 | FSK | Mode U FSK 1200 | re-entered |  | - |
| Astrocast-0101 (2021-006T) | - | 1530.905 | QPSK | L-band telemetry | active |  | - |
| Astrocast-0102 (2021-006CD) | - | 1530.905 | FM | L-band telemetry | re-entered |  | - |
| Astrocast-0103 | - | 1530.905 | FM | L-band telemetry | active |  | - |
| Astrocast-0104 (2021-006DK) | - | 1530.905 | FM | L-band telemetry | re-entered |  | - |
| Astrocast-0201 (2021-059CD) | - | 1530.905 | FM | L-Band telemetry | active |  | - |
| Astrocast-0203 (2021-059CE) | - | 1530.905 | FM | L-band telemetry | active |  | - |
| Astrocast-0205 (2021-059CK) | - | 1530.905 | QPSK | L-Band telemetry | re-entered |  | - |
| Astrocast-0301 (2022-158K) | - | 1530.905 | FM | L-band Telemetry | re-entered |  | - |
| Astrocast-0302 (2022-158J) | - | 1530.905 | QPSK | L-Band telemetry (400bps 4QPSK using Thuraya Spectrum) | re-entered |  | - |
| Astrocast-0303 (2022-158H) | - | 1530.905 | FM | L-Band telemetry | re-entered |  | - |
| Astrocast-0304 (2022-158G) | - | 1530.905 | QPSK | Mode L | re-entered |  | - |
| ATHENOXAT 1 (ATX1) | - | 437.485 | AFSK | AFSK 4800 | re-entered |  | - |
| ATHENOXAT 1 (ATX1) | - | 437.485 | CW | CW | re-entered |  | - |
| ATHENOXAT 1 (ATX1) | - | 137.500 | FM | Mode V | re-entered |  | - |
| ATHENOXAT 1 (ATX1) | - | 437.485 | GMSK | Mode U - GMSK2k4 | re-entered |  | - |
| ATHENOXAT 1 (ATX1) | - | 2430.000 | QPSK | S-band 1MB QPSK | re-entered |  | - |
| ATL-1 (HA1ATL MO-106 Magyar-OSCAR 106) | - | 437.175 | GMSK | Mode U GMSK12k5 | re-entered |  | - |
| ATLANTIS (US02 ON02US) | - | 436.390 | FSK | TLM FSK9k6 | re-entered |  | - |
| ATLANTIS (US02 ON02US) | - | 436.388 | FSK | SV1QZZ - TLM FSK9k6 | re-entered |  | - |
| ATS-5 (Advanced Technology Satellite 5) | - | 148.260 | FM | TLM | active |  | - |
| Aura (2004-026A) | - | 2287.500 | BPSK | S-band telemetry | active |  | - |
| Aurora (AstroDigital Demo 9) | - | 400.500 | FM | Mode U - FM | re-entered |  | - |
| AURORASAT (VE8ARI) | - | 437.875 | CW | Mode U CW | re-entered |  | - |
| AURORASAT (VE8ARI) | - | 2428.000 | FM | Mode S - Transmitter | re-entered |  | - |
| AURORASAT (VE8ARI) | - | 437.875 | FSK | Mode U - FSK1k2 | re-entered |  | - |
| AUTcube2 (JJ2YTA) | - | 437.385 | FSK | Telemetry FSK9k6 | active |  | - |
| AUTcube2 (JJ2YTA) | - | 437.505 | WSJT | WSJT | active |  | - |
| Avion Kaluga 650 (RS24S) | - | 435.615 | DOKA | Mode U - DOKA 9k6 | active |  | - |
| Avion Kaluga 650 (RS24S) | - | 435.715 | DOKA | Mode U - DOKA 9k6 | active |  | - |
| Avion Kaluga 650 (RS24S) | - | 435.140 | GFSK | Mode U - Transmitter | active |  | - |
| Avion Kaluga 650 (RS24S) | - | 435.615 | AFSK | Mode U - AFSk 1k2 | active |  | - |
| Avion Kaluga 650 (RS24S) | - | 435.715 | AFSK | Mode U - AFSK 1k2 | active |  | - |
| AYRIS-1 (2023-084BJ) | - | 2224.725 | BPSK | S-band telemetry | re-entered |  | - |
| AYRIS-2 (2023-084BG) | - | 2224.775 | BPSK | S-band telemetry | re-entered |  | - |
| AZAADISAT | - | 437.400 | SSTV | Mode U SSTV | re-entered |  | - |
| AZAADISAT | - | 437.400 | LoRa | Mode U LoRa | re-entered |  | - |
| AZAADISAT | - | 437.400 | AFSK | Mode U TLM 1k2 AFSK AX25 | re-entered |  | - |
| AzaadiSAT-2 | - | 437.400 | LoRa | Mode U LoRa | re-entered |  | - |
| AzaadiSAT-2 | - | 437.400 | FSK | Mode U TLM 1k2 FSK AX25 | re-entered |  | - |
| AzaadiSAT-2 | - | 437.400 | FSK | Experimental - For SatNOGS use only - FSK1k2 | re-entered |  | - |
| AZTECHSAT-1 | - | 437.300 | FSK AX.100 Mode 5 | Mode U GFSK9k6 | re-entered |  | - |
| BALKAN-1 | - | 2102.500 | FM | Mode S - Transmitter SIST 1 | active |  | - |
| BALKAN-1 | - | 2277.500 | FM | Mode S - Transmitter SIST 2 | active |  | - |
| BALKAN-1 | - | 2276.500 | FM | Mode S - Transmitter | active |  | - |
| BALKAN-1 | - | 26250.000 | FM | Mode K - Transmitter | active |  | - |
| BALKAN-1 | - | 24600.000 | FM | Mode K - Transmitter KIST | active |  | - |
| BALKAN-1 | - | 401.360 | GMSK | UHF 9k6 Telemetry | active |  | - |
| BAMA-1 | - | 437.460 | GFSK | Mode U - GFSK4k8 | re-entered |  | - |
| Bane (2023-185D) | - | 2257.500 | BPSK | S-band telemetry | active |  | - |
| Bane (2023-185D) | - | 2243.500 | BPSK | S-band telemetry | active |  | - |
| Barry-1 (B1B2) | - | 2245.000 | FM | Mode S - Transmitter | re-entered |  | - |
| Barry-1 (B1B2) | - | 401.500 | GMSK | UHF 4k8 Telemetry | re-entered |  | - |
| BCCSAT 1 (HS0W) | - | 435.635 | GMSK | Mode U - GMSK9k6 AX.25 G3RUH | re-entered |  | - |
| BCCSAT 1 (HS0W) | - | 435.635 | FSK | Mode U - AFSK1k2 - SSDV Data | re-entered |  | - |
| BCCSAT 1 (HS0W) | - | 435.635 | CW | Mode U - CW | re-entered |  | - |
| BCCSAT 1 (HS0W) | - | 435.635 | GMSK | Mode U - GMSK4k8 AX.25 G3RUH | re-entered |  | - |
| BDSat | - | 145.850 | CW | Mode V - CW Beacon - occasional | re-entered |  | - |
| BDSat | 436.025 | 436.025 | GFSK | Mode U/U - GFSK9k6 Digipeater | re-entered |  | - |
| BDSat | - | 436.025 | CW | Mode U - CW Beacon | re-entered |  | - |
| BDSat | 145.850 | 145.850 | GFSK | Mode V/V - GFSK9k6 Digipeater | re-entered |  | - |
| BDSat | - | 436.025 | GFSK | BDSat UHF 9600 G3RUH AX.25 | re-entered |  | - |
| BDSat | - | 145.850 | GFSK | BDSat VHF 9600 G3RUH AX.25 | re-entered |  | - |
| BDSAT-2 | - | 436.025 | CW | Mode U - CW Beacon | re-entered |  | - |
| BDSAT-2 | - | 436.025 | GFSK | BDSat2 UHF 9600 G3RUH AX.25 | re-entered |  | - |
| BDSAT-2 | - | 145.850 | GFSK | BDSat2 VHF 9600 G3RUH AX.25 | re-entered |  | - |
| BDSAT-2 | 436.025 | 436.025 | GFSK | Mode U/U - GFSK9k6 Digipeater - AX.25 G3RUH | re-entered |  | - |
| BDSAT-2 | 145.850 | 145.850 | GFSK | Mode V/V - GFSK9k6 Digipeater - AX.25 G3RUH | re-entered |  | - |
| BeaverCube | - | 401.500 | FSK | Mode U 2FSK | re-entered |  | - |
| BeaverCube | - | 1616.250 | BPSK | Mode L GlobalStar | re-entered |  | - |
| BeaverCube | - | 1611.250 | BPSK | Mode L GlobalStar 2 NA | re-entered |  | - |
| BEE-1000 | 436.500 | 436.500 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - AX.100 | active |  | - |
| BEE-1000 | - | 2403.500 | DVB-S2 | Mode S - DVB-S2 - EnduroSat STX | active |  | - |
| BEEAGLESAT (TR01 ON01TR) | - | 437.370 | GMSK | TLM GMSK | re-entered |  | - |
| BEEAGLESAT (TR01 ON01TR) | - | 437.373 | CW | CW TLM Drifted | re-entered |  | - |
| BEESAT (DP0BEE) | - | 435.950 | FM | CW Beacon (F2A) | inactive |  | - |
| BEESAT (DP0BEE) | - | 435.950 | GMSK | TLM Mobitex GMSK | active |  | - |
| BEESAT (DP0BEE) | 435.950 | 435.950 | GMSK | Digipeater (Mobitex, idle mode: 10 sec interval) | active |  | - |
| BEESAT-10 (DP0BEN) | - | 435.950 | GMSK | Mode U GMSK1k2 TLM | re-entered |  | - |
| BEESAT-11 (DP0BEO) | - | 435.950 | GMSK | Mode U GMSK1k2 TLM | re-entered |  | - |
| BEESAT-12 (DP0BEP) | - | 435.950 | GMSK | Mode U GMSK1k2 TLM | re-entered |  | - |
| BEESAT-13 (DP0BEQ) | - | 435.950 | GMSK | Mode U GMSK1k2 TLM | re-entered |  | - |
| BEESAT-2 (DP0BEF) | - | 435.949 | FM | CW Beacon (F2A) | re-entered |  | - |
| BEESAT-2 (DP0BEF) | 435.950 | 435.949 | GMSK | DIGI (Mobitex-NX, idle mode: 10 sec interval) | re-entered |  | - |
| BEESAT-2 (DP0BEF) | - | 435.949 | GMSK | TLM (Mobitex, interval TBD) | re-entered |  | - |
| BEESAT-3 (DP0BEG) | - | 435.950 | GMSK | Telem | re-entered |  | - |
| BEESAT-3 (DP0BEG) | - | 2263.000 | FM | HiSPICO S-band | re-entered |  | - |
| BEESAT-4 (DP0BEH) | - | 435.950 | FM | CW Beacon (F2A) | re-entered |  | - |
| BEESAT-4 (DP0BEH) | 435.950 | 435.950 | GMSK | DIGI (Mobitex-NX) | re-entered |  | - |
| BEESAT-4 (DP0BEH) | - | 435.950 | GMSK | TLM (Mobitex-NX, TX over Europe) | re-entered |  | - |
| BEESAT-5 (DP0BEI) | - | 435.950 | GMSK | Mode U - GMSK1k2 TLM (Mobitex) | re-entered |  | - |
| BEESAT-5 (DP0BEI) | - | 435.950 | GMSK | Mode U - GMSK2k4 TLM (Mobitex) | re-entered |  | - |
| BEESAT-5 (DP0BEI) | - | 435.950 | GMSK | Mode U - GMSK4k8 TLM (Mobitex) | re-entered |  | - |
| BEESAT-6 (DP0BEJ) | - | 435.950 | GMSK | Mode U - GMSK1k2 TLM (Mobitex) | re-entered |  | - |
| BEESAT-6 (DP0BEJ) | - | 435.950 | GMSK | Mode U - GMSK2k4 TLM (Mobitex) | re-entered |  | - |
| BEESAT-6 (DP0BEJ) | - | 435.950 | GMSK | Mode U - GMSK4k8 TLM (Mobitex) | re-entered |  | - |
| BEESAT-7 (DP0BEK) | - | 435.950 | GMSK | Mode U - GMSK1k2 TLM (Mobitex) | re-entered |  | - |
| BEESAT-7 (DP0BEK) | - | 435.950 | GMSK | Mode U - GMSK2k4 TLM (Mobitex) | re-entered |  | - |
| BEESAT-7 (DP0BEK) | - | 435.950 | GMSK | Mode U - GMSK4k8 TLM (Mobitex) | re-entered |  | - |
| BEESAT-8 (DP0BEL) | - | 435.950 | GMSK | Mode U - GMSK1k2 TLM (Mobitex) | re-entered |  | - |
| BEESAT-8 (DP0BEL) | - | 435.950 | GMSK | Mode U - GMSK2k4 TLM (Mobitex) | re-entered |  | - |
| BEESAT-8 (DP0BEL) | - | 435.950 | GMSK | Mode U - GMSK4k8 TLM (Mobitex) | re-entered |  | - |
| BEESAT-9 (DP0BEM) | - | 435.950 | GMSK | Mode U GMSK4k8 TLM | re-entered |  | - |
| BEESAT-9 (DP0BEM) | - | 435.950 | CW | Mode U CW Beacon | re-entered |  | - |
| BEESAT-9 (DP0BEM) | - | 435.950 | GMSK | Mode U GMSK9k6 TLM | re-entered |  | - |
| BEIDOU 13 (Beidou-M4) | - | 2256.000 | FM | Mode S | active |  | - |
| BEIDOU 13 (Beidou-M4) | - | 1544.210 | FM | BDS MEOSAR - RHCP 48 dBm | active |  | - |
| BEIDOU 13 (Beidou-M4) | - | 1207.140 | FM | B2 GNSS | active |  | - |
| BEIDOU 13 (Beidou-M4) | - | 1268.520 | FM | B3 GNSS | active |  | - |
| BEIDOU 13 (Beidou-M4) | - | 2202.000 | FM | Mode S2 | active |  | - |
| BEIDOU 13 (Beidou-M4) | - | 1561.098 | FSK | B1 GNSS RHCP | active |  | - |
| BEIDOU 2 (BEIDOU-M1) | - | 2202.000 | FM | Mode S | active |  | - |
| BEIDOU 2 (BEIDOU-M1) | - | 2256.000 | FM | Mode S2 | active |  | - |
| BeliefSat-0 | 437.000 | 145.980 | FM | Voice repeater | re-entered |  | - |
| BeliefSat-0 | - | 145.980 | AFSK | Mode V - AFSK | re-entered |  | - |
| BGS ARPIT (POEM 4) | 145.825 | 145.825 | AFSK | Mode V/V APRS | re-entered |  | - |
| BGS ARPIT (POEM 4) | - | 145.870 | SSTV | Mode V - SSTV | re-entered |  | - |
| BGS ARPIT (POEM 4) | - | 145.870 | FM | Mode V - FM - Prerecorded Audio Messages | re-entered |  | - |
| BGS ARPIT (POEM 4) | - | 145.870 | AFSK | 1k2 AFSK Telemetry + Greetings | re-entered |  | - |
| BGS ARPIT (POEM 4) | - | 2231.000 | BPSK | S-band telemetry | re-entered |  | - |
| BGS ARPIT (POEM 4) | - | 2265.500 | BPSK | S-band telemetry | re-entered |  | - |
| BHUTAN-1 (JG6YKL) | - | 437.375 | CW | CW BEACON | re-entered |  | - |
| BHUTAN-1 (JG6YKL) | 145.825 | 145.825 | AFSK | APRS digipeater | re-entered |  | - |
| BIFROST-DNK | - | 2256.000 | FM | S-band telemetry | active |  | - |
| Big Red Sat-1 (BRS-1) | - | 1622.610 | FM | Mode L - Iridium Transmitter | re-entered |  | - |
| Binar-1 | - | 437.292 | GMSK | 9k6 GMSK Telemetry | re-entered |  | - |
| Binar-1 | - | 437.292 | GMSK | 1k2 GMSK Telemetry | re-entered |  | - |
| Binar-2 | - | 437.700 | GFSK | Mode U - GFSK19k2 - TLM | re-entered |  | - |
| Binar-2 | - | 437.700 | GFSK | Mode U - GFSK9k6 - TLM | re-entered |  | - |
| Binar-2 | - | 437.700 | FM | Mode U - FM9k6 - TLM | re-entered |  | - |
| Binar-3 | - | 437.850 | GFSK | Mode U - GFSK19k2 - TLM | re-entered |  | - |
| Binar-3 | - | 441.250 | FM | Mode U - TTC - Experimental (Perth) | re-entered |  | - |
| Binar-3 | - | 2251.000 | FSK | Mode S - Downlink (Darmstadt/Perth) | re-entered |  | - |
| Binar-3 | - | 437.850 | GFSK | Mode U - GFSK9k6 - TLM | re-entered |  | - |
| Binar-4 | - | 437.925 | GFSK | Mode U - GFSK19k2 - TLM | re-entered |  | - |
| Binar-4 | - | 437.925 | GFSK | Mode U - GFSK9k6 - TLM | re-entered |  | - |
| BIOMASS | - | 2247.964 | FM | Mode S - Transmitter | active |  | - |
| BIRD-B (BRAC Onnesha) | - | 437.372 | CW | TLM CW | re-entered |  | - |
| BIRD-B (BRAC Onnesha) | - | 437.375 | FSK | TLM 9k6 FSK | re-entered |  | - |
| BIRD-B (BRAC Onnesha) | - | 437.375 | AFSK | TLM 1k2 AFSK | re-entered |  | - |
| BIRD-M (Mazaalai) | - | 437.372 | CW | TLM CW | re-entered |  | - |
| BIRD-M (Mazaalai) | - | 437.375 | FSK | TLM 9k6 FSK | re-entered |  | - |
| BIRD-M (Mazaalai) | - | 437.375 | AFSK | TLM 1k2 AFSK | re-entered |  | - |
| Birkeland (Milspace2-1) | - | 401.500 | FM | Mode U - TLM | active |  | - |
| Birkeland (Milspace2-1) | - | 2206.500 | BPSK | S-band telemetry | active |  | - |
| Birkeland (Milspace2-1) | - | 2207.000 | BPSK | Wideband data (512000) | active |  | - |
| BIROS | - | 437.525 | GMSK | Mode U TLM | re-entered |  | - |
| BIROS | - | 2203.630 | BPSK | S-band telemetry | re-entered |  | - |
| BISONSAT (N7SKC) | - | 437.376 | FSK | Telemetry | active |  | - |
| Black Kite-1 (8U RIoT-1) | - | 2288.000 | GMSK | S-band 38k4 Telemetry | active |  | - |
| BLACK KNIGHT-1 | - | 437.345 | FM | Telem | re-entered |  | - |
| Blackjack-1 | - | 2264.800 | FM | S-band telemetry | active |  | - |
| Blackjack-2 | - | 2264.800 | BPSK | S-band telemetry | active |  | - |
| Blackjack-3 | - | 2264.800 | BPSK | S-band telemetry | active |  | - |
| Blackjack-4 | - | 2264.800 | BPSK | S-band telemetry | active |  | - |
| BLAST | - | 437.260 | FSK | 9k6 FSK | future |  | - |
| BLUE DIAMOND | - | 401.150 | FSK AX.100 Mode 5 | Downlink | re-entered |  | - |
| Bluebird 01 (SPACEMOBILE-001) | - | 2225.000 | BPSK | S-band telemetry | active |  | - |
| Bluebird 01 (SPACEMOBILE-001) | - | 439.500 | GFSK | Mode U - Transmitter | active |  | - |
| Bluebird 02 (SPACEMOBILE-002) | - | 435.900 | GFSK | Mode U - Transmitter | active |  | - |
| Bluebird 02 (SPACEMOBILE-002) | - | 2235.000 | BPSK | S-band telemetry | active |  | - |
| Bluebird 03 (SPACEMOBILE-003) | - | 2225.000 | BPSK | S-band telemetry | active |  | - |
| Bluebird 03 (SPACEMOBILE-003) | - | 434.100 | GFSK | Mode U - Transmitter | active |  | - |
| Bluebird 04 (SPACEMOBILE-004) | - | 2235.000 | BPSK | S-band telemetry | active |  | - |
| Bluebird 04 (SPACEMOBILE-004) | - | 432.300 | GFSK | Mode U - Transmitter | active |  | - |
| Bluebird 05 (SPACEMOBILE-005) | - | 2225.000 | BPSK | S-band telemetry | active |  | - |
| Bluebird 05 (SPACEMOBILE-005) | - | 430.500 | GFSK | Mode U - Transmitter | active |  | - |
| Bluebird 06 (FM1) | - | 435.000 | GFSK | Mode U - Transmitter | active |  | - |
| Bluebird 06 (FM1) | - | 430.500 | GFSK | Mode U - Unconfirmed Transmitter 1 | active |  | - |
| Bluebird 06 (FM1) | - | 432.300 | GFSK | Mode U - Unconfirmed Transmitter 2 | active |  | - |
| Bluebird 06 (FM1) | - | 434.100 | GFSK | Mode U - Unconfirmed Transmitter 3 | active |  | - |
| Bluebird 06 (FM1) | - | 435.900 | GFSK | Mode U - Unconfirmed Transmitter 4 | active |  | - |
| Bluebird 06 (FM1) | - | 437.500 | GFSK | Mode U - Unconfirmed Transmitter 5 | active |  | - |
| Bluebird 06 (FM1) | - | 439.500 | GFSK | Mode U - Unconfirmed Transmitter 6 | active |  | - |
| BLUEBON | - | 400.650 | FM | Mode U - Transmitter | active |  | - |
| BLUEBON | - | 400.950 | FM | Telemetry | active |  | - |
| BLUEWALKER-3 | - | 437.500 | GFSK | Mode U 2k4 TLM | active |  | - |
| BLUEWALKER-3 | - | 437.500 | GFSK | Mode U 9k6 TLM | inactive |  | - |
| BLUEWALKER-3 | - | 400.575 | FM | UHD1 | active |  | - |
| BLUEWALKER-3 | - | 763.000 | FM | Service 1 | active |  | - |
| BLUEWALKER-3 | - | 892.000 | FM | Service 2 | active |  | - |
| BLUEWALKER-3 | - | 2026.000 | QPSK | Downlink 1 | active |  | - |
| BLUEWALKER-3 | - | 2210.000 | QPSK | Downlink 2 | active |  | - |
| BLUEWALKER-3 | - | 759.700 | QPSK | Channel 62 | active |  | - |
| BLUEWALKER-3 | - | 2245.000 | GMSK | Mode S TTC CCSDS | active |  | - |
| BNU-1 (2019-059B) | - | 2262.242 | BPSK | S-band telemetry | active |  | - |
| Bobcat-1 (W8PZS) | - | 436.600 | FSK AX.100 Mode 5 | Mode U - FSK 9k6 TLM | re-entered |  | - |
| Bobcat-1 (W8PZS) | - | 436.600 | MSK AX.100 Mode 5 | Groundstation Downlink | re-entered |  | - |
| Bobcat-1 (W8PZS) | - | 436.600 | MSK AX.100 Mode 5 | Mode U - MSK75k Baud | re-entered |  | - |
| Bobcat-1 (W8PZS) | - | 436.600 | FSK AX.100 Mode 5 | Mode U - FSK38k4 | re-entered |  | - |
| Bobcat-1 (W8PZS) | - | 436.600 | MSK AX.100 Mode 5 | Mode U - FSK 19k2 TLM | re-entered |  | - |
| Bobcat-1 (W8PZS) | - | 436.600 | FSK AX.100 Mode 5 | Mode U - FSK57k6 Baudrate Testing | re-entered |  | - |
| Bobcat-1 (W8PZS) | - | 436.600 | FSK AX.100 Mode 5 | Mode U - FSK 1k2 TLM | re-entered |  | - |
| BOTAN (JS1YPT) | - | 437.375 | GMSK | Mode U - GMSK4k8 - TLM, CAM, Gyro | re-entered |  | - |
| BOTAN (JS1YPT) | - | 437.375 | CW | Mode U - CW | re-entered |  | - |
| BOTAN (JS1YPT) | 145.825 | 145.825 | AFSK | Move V/V - AFSK1k2 - APRS Digipeater | re-entered |  | - |
| BOTSAT-1 | - | 8185.000 | FM | Mode X - Transmitter | active |  | - |
| BOTSAT-1 | - | 401.360 | GMSK | Mode U - GMSK4k8 - Telemetry | active |  | - |
| BRICSat-2 (USNA-P1) | 145.825 | 145.825 | AFSK | Mode V/V AFSK1k2 APRS Digipeater | re-entered |  | - |
| BRICSat-2 (USNA-P1) | - | 437.600 | FSK | Mode U FSK9k6 TLM | re-entered |  | - |
| BRIK-II (BRIK-2 2021-058F) | - | 2285.000 | FM | S-Band | re-entered |  | - |
| BRIO | - | 400.595 | GMSK | 9600 GMSK | re-entered |  | - |
| BRIO | - | 400.595 | FSK AX.100 Mode 5 | Mode U TLM 2k4 | re-entered |  | - |
| BRITE-AUSTRIA (TUGSAT-1; CANX-3B; BRITE-Austria) | - | 2234.400 | BPSK | Mode S - Telemetry | inactive |  | - |
| BRITE-CA 1 (BRITE-Toronto) | - | 2234.400 | FM | Downlink | active |  | - |
| BRITE-PL (LEM) | - | 2234.400 | FM | Downlink S | active |  | - |
| BRITE-PL (LEM) | - | 437.365 | FM | Downlink U | active |  | - |
| BRITE-PL 2 (BRITE-Heweliush) | - | 2234.399 | BPSK | Mode S - Telemetry | active |  | - |
| BRO 3 (BRO-3) | - | 401.735 | FSK AX.100 Mode 5 | Mode U | re-entered |  | - |
| BRO 3 (BRO-3) | - | 401.667 | FM | Telemetry | re-entered |  | - |
| BRO 3 (BRO-3) | - | 401.036 | FSK AX.100 Mode 5 | Telemetry | re-entered |  | - |
| BRO 3 (BRO-3) | - | 401.492 | MSK AX.100 Mode 5 | Mode U 9k6 | re-entered |  | - |
| BRO 3 (BRO-3) | - | 2260.500 | FSK | S-Band transmitter | re-entered |  | - |
| BRO-10 | - | 2260.500 | BPSK | Mode S - Transmitter | active |  | - |
| BRO-10 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | active |  | - |
| BRO-10 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | inactive |  | - |
| BRO-11 | - | 2260.500 | BPSK | Mode S - Transmitter | active |  | - |
| BRO-11 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | active |  | - |
| BRO-11 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | inactive |  | - |
| BRO-11 | - | 401.700 | FSK AX.100 Mode 5 | Mode U - FSK9k6 | active |  | - |
| BRO-12 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | active |  | - |
| BRO-12 | - | 2260.500 | BPSK | Mode S - Transmitter | active |  | - |
| BRO-12 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | active |  | - |
| BRO-13 | - | 2260.500 | BPSK | Mode S - Transmitter | active |  | - |
| BRO-13 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | inactive |  | - |
| BRO-13 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | inactive |  | - |
| BRO-13 | - | 401.760 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | active |  | - |
| BRO-13 | - | 401.760 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | active |  | - |
| BRO-14 | - | 2260.500 | BPSK | Mode S - Transmitter | active |  | - |
| BRO-14 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | inactive |  | - |
| BRO-14 | - | 401.790 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - Transmitter | active |  | - |
| BRO-14 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | inactive |  | - |
| BRO-15 | - | 2260.500 | BPSK | Mode S - Transmitter | active |  | - |
| BRO-15 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | inactive |  | - |
| BRO-15 | - | 401.820 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - Transmitter | active |  | - |
| BRO-15 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | inactive |  | - |
| BRO-16 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | active |  | - |
| BRO-16 | - | 2260.500 | BPSK | Mode S - Transmitter | active |  | - |
| BRO-16 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | inactive |  | - |
| BRO-17 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | active |  | - |
| BRO-17 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | active |  | - |
| BRO-18 | - | 2260.500 | BPSK | Mode S - Transmitter | active |  | - |
| BRO-18 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | inactive |  | - |
| BRO-18 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | inactive |  | - |
| BRO-18 | - | 401.520 | FSK AX.100 Mode 5 | Mode U - Transmitter | active |  | - |
| BRO-20 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | active |  | - |
| BRO-20 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | active |  | - |
| BRO-4 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - TLM | re-entered |  | - |
| BRO-4 | - | 401.106 | FSK AX.100 Mode 5 | Telemetry | re-entered |  | - |
| BRO-4 | - | 401.520 | FSK AX.100 Mode 5 | Telemetry | re-entered |  | - |
| BRO-4 | - | 2260.500 | FSK | S-Band transmitter | re-entered |  | - |
| BRO-5 (Breizh Reconnaissance Orbiter 5) | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 AX.100 | active |  | - |
| BRO-5 (Breizh Reconnaissance Orbiter 5) | - | 401.176 | FSK AX.100 Mode 5 | Telemetry | active |  | - |
| BRO-5 (Breizh Reconnaissance Orbiter 5) | - | 2260.500 | FSK | S-Band transmitter | active |  | - |
| BRO-5 (Breizh Reconnaissance Orbiter 5) | - | 401.490 | FM | Telemetry | active |  | - |
| BRO-6 | - | 401.246 | FSK AX.100 Mode 5 | Telemetry | active |  | - |
| BRO-6 | - | 2260.500 | FSK | S-Band transmitter | active |  | - |
| BRO-6 | - | 2275.938 | FM | S-band telemetry | active |  | - |
| BRO-6 | - | 401.550 | FSK AX.100 Mode 5 | Mode U - TLM | active |  | - |
| BRO-6 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - TLM | inactive |  | - |
| BRO-7 (Breizh Reconnaissance Orbiter 7) | - | 401.735 | FSK AX.100 Mode 5 | Mode U - TLM | re-entered |  | - |
| BRO-7 (Breizh Reconnaissance Orbiter 7) | - | 401.317 | FSK AX.100 Mode 5 | Telemetry | re-entered |  | - |
| BRO-7 (Breizh Reconnaissance Orbiter 7) | - | 2260.500 | FSK | S-Band transmitter | re-entered |  | - |
| BRO-7 (Breizh Reconnaissance Orbiter 7) | - | 401.580 | FSK AX.100 Mode 5 | Mode U - FSK9k6 | re-entered |  | - |
| BRO-8 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - TLM | active |  | - |
| BRO-8 | - | 2260.500 | FSK | S-Band transmitter | active |  | - |
| BRO-8 | - | 401.612 | FSK AX.100 Mode 5 | Telemetry | active |  | - |
| BRO-9 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK9k6 - TLM | active |  | - |
| BRO-9 | - | 401.735 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - TLM | inactive |  | - |
| BRO-9 | - | 2260.500 | BPSK | Mode S - Transmitter | active |  | - |
| BRO-9 | - | 401.642 | FSK AX.100 Mode 5 | Telemetry | active |  | - |
| Buccaneer MM (Buccaneer Main Mission) | - | 400.800 | FSK | Apogee TT&C Beacon | active |  | - |
| Bufeng-1A | - | 401.126 | FM | Mode U - Possibly Downlink | active |  | - |
| BUGSAT-1 (TITA) | - | 437.445 | AFSK | 437.445 AFSK 1200bps | active |  | - |
| BUGSAT-1 (TITA) | - | 437.445 | GMSK | 437.445 GMSK 9600bps | active |  | - |
| BUGSAT-1 (TITA) | - | 437.445 | FSK | AX.25 beacon | active |  | - |
| BurstCube | - | 2273.480 | FM | Mode S 1 | re-entered |  | - |
| BurstCube | - | 2287.500 | FM | Mode S 2 | re-entered |  | - |
| BUZZZER-1 (2025-009A) | - | 401.882 | FM | Telemetry | active |  | - |
| BY70-1 | 145.920 | 436.200 | FM | FM Transponder U/V | re-entered |  | - |
| BY70-1 | - | 436.200 | BPSK | BPSK Telemetry / Image downlink | re-entered |  | - |
| BY70-2 (XIBAIPO) | - | 436.200 | BPSK | Transponder V/U Analog FM to BPSK Codec2 | re-entered |  | - |
| BY70-3 (NPUBY3) | - | 437.443 | BPSK | Mode U - BPSK8k TLM | re-entered |  | - |
| BY70-3 (NPUBY3) | - | 437.600 | BPSK | Mode U - BPSK9k6 TLM | re-entered |  | - |
| CACTUS-1 | - | 434.031 | FM | Mode U | re-entered |  | - |
| CADRE | - | 437.485 | FSK | Mode U TLM | re-entered |  | - |
| CAKRA-1 | - | 2245.000 | FM | Mode S - Downlink | active |  | - |
| CALIPSO (2006-016B) | - | 2268.467 | BPSK | S-band telemetry | active |  | - |
| CALIPSO (2006-016B) | - | 8330.000 | FM | Mode X | active |  | - |
| CALIPSO (2006-016B) | - | 2220.000 | FM | Mode-S dumps (active over Sweden) | active |  | - |
| CALIPSO (2006-016B) | - | 8150.000 | FM | Mode X dumps (active over Norway) | active |  | - |
| CANX-4 (NLS 7.1) | - | 145.890 | BPSK | Telem | active |  | - |
| CANX-4 (NLS 7.1) | - | 2234.400 | BPSK | Telem | active |  | - |
| CANX-5 (NLS 7.2) | - | 145.890 | BPSK | Telem | active |  | - |
| CANX-5 (NLS 7.2) | - | 2234.400 | BPSK | Telem | active |  | - |
| CANX-5 (NLS 7.2) | - | 437.365 | BPSK | Beacon | active |  | - |
| CANYVAL-C 1U (Timon) | - | 436.330 | MSK AX.100 Mode 5 | Mode U - GMSK9k6 | re-entered |  | - |
| CANYVAL-C 1U (Timon) | - | 436.330 | MSK AX.100 Mode 5 | Mode U - GMSK4k8 | re-entered |  | - |
| CANYVAL-C 2U (Pumbaa) | - | 437.500 | MSK AX.100 Mode 5 | Mode U - GMSK9k6 | re-entered |  | - |
| CANYVAL-C 2U (Pumbaa) | - | 437.500 | MSK AX.100 Mode 5 | Mode U - GMSK4k8 | re-entered |  | - |
| CAPE-1 (K5USL) | - | 435.245 | FM | Telem | active |  | - |
| CAPE-1 (K5USL) | - | 435.245 | CW | CW | active |  | - |
| CAPE-1 (K5USL) | - | 435.247 | CW | CW | active |  | - |
| CAPE-1 (K5USL) | - | 435.247 | FM | FSK 9600 AX.25 | active |  | - |
| CAPE-2 | - | 145.825 | GMSK | Telem | re-entered |  | - |
| CAPE-2 | - | 437.325 | GMSK | Telem | re-entered |  | - |
| CAPE-3 | - | 437.325 | FSK | Mode U - FSK9k6 Digipeater | re-entered |  | - |
| CAPE-3 | - | 145.825 | FSK | Mode V - FSK9k6 Digipeater | re-entered |  | - |
| CAPE-3 | - | 437.325 | AFSK | Mode U - AFSK 1k2 | re-entered |  | - |
| CAPE-3 | - | 145.825 | AFSK | Mode V - AFSK1k2 Digipeater | re-entered |  | - |
| CAPE-3 | - | 437.325 | FSK | Mode U - FSK 1k2 | re-entered |  | - |
| CARBONITE 1 (CBNT 1) | - | 2240.000 | BPSK | Telemetry | active |  | - |
| CARBONITE 2 (CBNT 2) | - | 2236.675 | BPSK | Telemetry | re-entered |  | - |
| CARBSAR | - | 2243.333 | FM | Mode S - Transmitter | active |  | - |
| CARTOSAT 2D | - | 2245.687 | CW | Beacon | active |  | - |
| CARTOSAT 2D | - | 402.761 | BPSK | Mode U - BPSK 4K0 | active |  | - |
| CARTOSAT-2 (IRS-P7) | - | 2245.687 | CW | Beacon | re-entered |  | - |
| CARTOSAT-2A | - | 2245.678 | CW | Beacon | active |  | - |
| CARTOSAT-2B | - | 2245.687 | CW | Beacon | active |  | - |
| CARTOSAT-2C | - | 2245.687 | CW | Beacon | active |  | - |
| CARTOSAT-2E | - | 2245.687 | CW | Beacon | active |  | - |
| CARTOSAT-2F | - | 2245.687 | CW | Beacon | active |  | - |
| CARTOSAT-2F | - | 2242.000 | BPSK | S-band telemetry (800000) | active |  | - |
| CARTOSAT-3 | - | 2224.800 | CW | Beacon | active |  | - |
| CARTOSAT-3 | - | 2224.800 | BPSK | Beacon sideband | active |  | - |
| CAS-10 (HO-119) | - | 435.725 | GMSK | Mode U - GMSK4k8 AX.25 | re-entered |  | - |
| CAS-10 (HO-119) | 145.855 - 145.885 | 435.165 - 435.195 | USB | Mode V/U - Transponder | re-entered |  | - |
| CAS-10 (HO-119) | - | 435.575 | CW | Mode U - Telemetry | re-entered |  | - |
| CAS-10 (HO-119) | - | 435.185 | BPSK | Mode U Audio | re-entered |  | - |
| CAS-11 | 0.014 - 0.029 | 435.498 - 435.513 | FM | Mode H/U - Linear Transponder | future |  | - |
| CAS-11 | 145.895 | 435.700 | GMSK | Mode V/U - GMSK4k8 - Digital store & forward Transponder | future |  | - |
| CAS-11 | - | 435.570 | CW | Mode U - CW - Beacon | future |  | - |
| CAS-11 | - | 2405.500 | SSTV | Mode S - SSTV - PD120 | future |  | - |
| CAS-11 | - | 2405.500 | SSTV | Mode S - SSTV - Robot36 | future |  | - |
| CAS-11 | - | 2405.500 | PPM | Mode S - PPM - Telemetry Beacon 138bps | future |  | - |
| CAS-11 | - | 2405.500 | FT8 | Mode S - FT8 - Telemetry Beacon 11.6bps | future |  | - |
| CAS-11 | - | 2405.500 | CW | Mode S - CW - Telemetry Beacon 22wpm | future |  | - |
| CAS-11 | 145.845 - 145.875 | 435.525 - 435.555 | FM | Mode V/U - Linear Transponder | future |  | - |
| CAS-11 | 145.921 - 145.929 | 435.596 - 435.604 | FM | Mode V/U - FM Transponder | future |  | - |
| CAS-11 | - | 435.650 | GMSK | Mode U - GMSK4k8 - AX.25 Telemetry | future |  | - |
| CAS-11 | - | 435.650 | GMSK | Mode U - GMSK9k6 - AX.25 Telemetry | future |  | - |
| CAS-2T & KS-1Q (OBJECT E) | 145.925 | 435.615 | FMN | FM Transponder | active |  | - |
| CAS-2T & KS-1Q (OBJECT E) | - | 435.710 | CW | CW Telemetry | active |  | - |
| CAS-5A (FO-118) | - | 29.465 | CW | Mode H - CW Telemetry | re-entered |  | - |
| CAS-5A (FO-118) | - | 435.650 | GMSK | Mode U - GMSK4k8 AX.25 | re-entered |  | - |
| CAS-5A (FO-118) | - | 435.570 | CW | Mode U - CW Telemetry | re-entered |  | - |
| CAS-5A (FO-118) | 145.805 - 145.835 | 435.525 - 435.555 | USB | Mode V/U Linear Transponder | re-entered |  | - |
| CAS-5A (FO-118) | 145.925 | 435.600 | FM | Mode V/U FM Transponder no CTCSS | re-entered |  | - |
| CAS-5A (FO-118) | 21.428 - 21.443 | 435.498 - 435.513 | USB | Mode H/U Linear Transponder | re-entered |  | - |
| CAS-5A (FO-118) | - | 435.545 | BPSK | Mode U Audio | re-entered |  | - |
| CAS-6 (TO-108) (2019-093C) | - | 145.910 | CW | Mode V CW TLM | active |  | - |
| CAS-6 (TO-108) (2019-093C) | - | 145.890 | GMSK | Mode V GMSK4k8 AX.25 TLM | active |  | - |
| CAS-6 (TO-108) (2019-093C) | 435.270 - 435.290 | 145.915 - 145.935 | USB | Mode U/V Linear Transponder | active |  | - |
| CAS-6 (TO-108) (2019-093C) | - | 401.550 | FM | Transmitter 401.545-401.555 | active |  | - |
| CAS-6 (TO-108) (2019-093C) | - | 2278.328 | FM | S-band telemetry | active |  | - |
| CAS-7B (BP 1B) | - | 435.715 | CW | Mode U CW Beacon | re-entered |  | - |
| CAS-7B (BP 1B) | 145.900 | 435.690 | FM | Mode V/U FM Transponder | re-entered |  | - |
| CAS500-1 (2021-022A) | - | 2265.500 | BPSK | S-band telemetry | active |  | - |
| CAS500-3 | - | 2236.689 | FM | Mode S - Transmitter | active |  | - |
| CAS500-3 | - | 8210.000 | FM | Mode X - Transmitter | active |  | - |
| CASAA-Sat | - | 436.500 | BPSK | Mode U - BPSK G3RUH 9k6 | re-entered |  | - |
| CASSIOPE (Cascade SmallSat and Ionospheric Polar Explorer) | - | 150.012 | CERTO | CERTO 1 | active |  | - |
| CASSIOPE (Cascade SmallSat and Ionospheric Polar Explorer) | - | 400.032 | CERTO | CERTO 2 | active |  | - |
| CASSIOPE (Cascade SmallSat and Ionospheric Polar Explorer) | - | 1066.752 | CERTO | CERTO 3 | active |  | - |
| CatSat | - | 437.185 | FSK AX.100 Mode 5 | Mode U - FSK2k4 | active |  | - |
| CatSat | - | 437.185 | FSK AX.100 Mode 5 | Mode U - FSK38k4 | inactive |  | - |
| CatSat | - | 437.185 | FSK AX.100 Mode 5 | Mode U - FSK9k6 | inactive |  | - |
| CatSat | - | 437.250 | FSK AX.100 Mode 5 | Mode U - GMSK4k8 - Transmitter Frequency after Reset | inactive |  | - |
| CBERS-2B (ZY 1B2) | - | 180.010 | USB | 180.01 USB | active |  | - |
| CBERS-2B (ZY 1B2) | - | 8112.000 | QPSK | Mode X 1 | active |  | - |
| CBERS-2B (ZY 1B2) | - | 8320.000 | FM | Mode X 2 | active |  | - |
| CBERS-4 (2014-079A) | - | 2217.121 | FM | S-band telemetry | active |  | - |
| CBERS-4A (2019-093A) | - | 2259.125 | QPSK | S-band telemetry | active |  | - |
| CELESTA (ROBUSTA-1D) | - | 436.500 | GMSK | Mode U TLM 9k6 GMSK AX25 | dead |  | - |
| CELESTA (ROBUSTA-1D) | - | 436.500 | AFSK | Mode U TLM 1k2 AFSK AX25 | dead |  | - |
| CELESTA (ROBUSTA-1D) | - | 436.500 | GMSK | Mode U TLM 2k4 GMSK AX25 | dead |  | - |
| CENTAURI 5 (TYVAK-0212) | - | 400.180 | FSK | UHF Unknown | re-entered |  | - |
| Centauri 6 | - | 400.180 | FSK | Mode U - Transmitter | active |  | - |
| Centauri 7 (FLEF5N) | - | 400.220 | FSK | Mode U - FSK9k6 - Transmitter | active |  | - |
| Centauri 7 (FLEF5N) | - | 2255.000 | BPSK | S-band telemetry | active |  | - |
| Centauri 8 (FLEF6N) | - | 400.220 | FSK | Mode U - FSK9k6 - Transmitter | active |  | - |
| Centauri 8 (FLEF6N) | - | 2275.000 | BPSK | S-band telemetry | active |  | - |
| Centauri-1 | - | 400.625 | FSK | FSK9k6 TLM | active |  | - |
| Centauri-2 | - | 400.625 | FSK | TLM | re-entered |  | - |
| CENTAURI-3 (TYVAK-0210) | - | 400.180 | FSK | Downlink | re-entered |  | - |
| CENTAURI-4 (TYVAK-0211) | - | 400.180 | FSK | Downlink | re-entered |  | - |
| CENTISPACE-1 S10 (2025-007E) | - | 2226.963 | BPSK | S-band telemetry | active |  | - |
| CENTISPACE-1 S10 (2025-007E) | - | 2246.963 | BPSK | S-band telemetry | active |  | - |
| CENTISPACE-1 S12 (2025-01-13) | - | 2261.600 | FM | S-band telemetry | active |  | - |
| CENTISPACE-1 S13 (2025-007H) | - | 2217.120 | BPSK | S-band telemetry | active |  | - |
| CENTISPACE-1 S16 (2025-007D) | - | 2222.161 | BPSK | S-band telemetry | active |  | - |
| CentiSpace-1 S3 | - | 1575.420 | FM | GNSS B1C | active |  | - |
| CentiSpace-1 S3 | - | 1176.450 | FM | GNSS B2A | active |  | - |
| Centispace-1 S4 (2022-108B) | - | 1575.410 | FM | L-band GPS data | active |  | - |
| Centispace-1 S4 (2022-108B) | - | 2220.000 | FM | S-band telemetry | active |  | - |
| Centispace-1 S5 | - | 2207.520 | BPSK | S-band telemetry | active |  | - |
| Centispace-1 S5 | - | 2207.546 | FM | Telemetry | inactive |  | - |
| CentiSpace-1 S6 | - | 1575.420 | FM | GNSS B1C | active |  | - |
| CentiSpace-1 S6 | - | 1176.450 | FM | GNSS B2A | active |  | - |
| CentiSpace-1 S6 | - | 2209.945 | FM | Telemetry | active |  | - |
| CENTISPACE-1 S7 (2025-007B) | - | 2259.680 | FM | S-band telemetry | active |  | - |
| CENTISPACE-1 S9 (2025-007D) | - | 2224.560 | BPSK | S-band telemetry | active |  | - |
| CENTISPACE-1 S9 (2025-007D) | - | 2244.560 | BPSK | S-band telemetry | active |  | - |
| CEVROSAT-1 (OK0CVR) | - | 436.025 | GFSK | Mode U 9k6 G3RUH GFSK radio | active |  | - |
| CEVROSAT-1 (OK0CVR) | 436.025 | 436.025 | GFSK | Mode U - GFSK9k6 - Digipeater | active |  | - |
| CFOSAT (2018-083A) | - | 2262.485 | FM | Mode S Down | active |  | - |
| CFOSAT (2018-083A) | - | 8304.000 | FM | Mode X dumps (Sweden, China) | active |  | - |
| CGUSAT-1 (CGUSAT) | - | 436.175 | FSK | 9k6 FSK | re-entered |  | - |
| CGUSAT-1 (CGUSAT) | - | 435.360 | CW | CW | re-entered |  | - |
| ChallangeOne (Challenge-1) | - | 401.575 | GMSK USP | Mode U - GMSK USP 1k2 | re-entered |  | - |
| CHALLENGER (US01 ON01US QB50 US01) | - | 437.510 | FSK | Mode U - FSK9k6 - AX.25 | re-entered |  | - |
| Challenger | - | 401.300 | AFSK | Mode U - AFSK2k4 | re-entered |  | - |
| CHAMRAN-1 | - | 436.740 | FSK | Mode U - 38k4 2FSK | active |  | - |
| CHANGSHAGAOXIN (TY 4-01) | - | 435.925 | GMSK | Telem | re-entered |  | - |
| CHANGSHAGAOXIN (TY 4-01) | - | 5659.000 | FM | Telem | re-entered |  | - |
| CHANGSHAGAOXIN (TY 4-01) | - | 2409.000 | OFDM | Telem (5mbps) | re-entered |  | - |
| Changshagaoxin, TY-4 01 (Object D) | - | 401.606 | FM | UHF Unknown | re-entered |  | - |
| CHARGERSAT-1 | - | 437.405 | FM | Telem | re-entered |  | - |
| CHEOPS (2019-092B) | - | 2208.500 | FM | S-band telemetry | active |  | - |
| CHOMPTT | - | 437.560 | AFSK | AFSK1k2 TLM | re-entered |  | - |
| CHOMPTT | - | 437.560 | GMSK | GMSK9k6 TLM | re-entered |  | - |
| Chuang Xin 1-02 (2008-056B) | - | 2249.990 | FM | S-band telemetry | active |  | - |
| CHUBUSAT-2 (JJ2YPN) | - | 437.094 | CW | CW Beacon | active |  | - |
| CHUBUSAT-2 (JJ2YPN) | - | 437.100 | GMSK | 9k6 GMSK TLM | active |  | - |
| CHUBUSAT-2 (JJ2YPN) | 145.815 | - | AFSK | Message Exchange Service Uplink | active |  | - |
| CHUBUSAT-3 (JJ2YPO) | - | 437.423 | CW | CW Beacon | active |  | - |
| CHUBUSAT-3 (JJ2YPO) | - | 437.425 | GMSK | 9k6 GMSK TLM | active |  | - |
| CHUBUSAT-3 (JJ2YPO) | 145.840 | - | AFSK | Message Exchange Service Uplink | active |  | - |
| CICERO 7 (Tyvak 0085) | - | 401.200 | GMSK | Downlink | re-entered |  | - |
| CICERO 8 (Tyvak 0076) | - | 401.120 | GMSK | Downlink | re-entered |  | - |
| CICERO-2 2 (OP15 FLT2) | - | 401.180 | FSK | Mode U - Transmitter | re-entered |  | - |
| CINEMA-3 (KHUSAT-2) | - | 2200.000 | FM | 2.2 ghz | active |  | - |
| CIRBE (CubeSat Inner Radiation Belt Experiment) | 437.250 | 437.250 | GFSK | Mode U/U - GFSK 9k6 NRZ-I (SpaceQuest TRX-U) | re-entered |  | - |
| CIRBE (CubeSat Inner Radiation Belt Experiment) | 437.250 | 437.250 | GFSK | Mode U/U - GFSK 19k2 NRZ-I (SpaceQuest TRX-U) | re-entered |  | - |
| CIRBE (CubeSat Inner Radiation Belt Experiment) | - | 2402.000 | OQPSK | Mode S - OQPSK 500kbps (BCT SDR-S TX) | re-entered |  | - |
| CIRBE (CubeSat Inner Radiation Belt Experiment) | - | 2402.000 | OQPSK | Mode S - OQPSK 1Mbps (BCT SDR-S TX) | re-entered |  | - |
| CIRBE (CubeSat Inner Radiation Belt Experiment) | - | 2402.000 | OQPSK | Mode S - OQPSK 2Mbps (BCT SDR-S TX) | re-entered |  | - |
| Clarity-1 | - | 2223.000 | FM | Mode S - Transmitter - TT&C | active |  | - |
| Clarity-1 | - | 8200.000 | FM | Mode X - Transmitter - EESS | active |  | - |
| CLARKSAT-1 (JS1YLT) | - | 435.130 | SSTV | Modu U - DigitalkerSSTV (FM) - Robot 36 | re-entered |  | - |
| CLARKSAT-1 (JS1YLT) | - | 435.130 | FM | Mode U - Digitalker sound (FM) | re-entered |  | - |
| CLARKSAT-1 (JS1YLT) | - | 435.130 | GMSK | Mode U - GMSK4k8 | re-entered |  | - |
| CLARKSAT-1 (JS1YLT) | - | 435.130 | CW | Mode U - CW | re-entered |  | - |
| CloudSat | - | 2217.500 | BPSK | Cloud Profiling Radar downlink | active |  | - |
| CloudSat | - | 2262.305 | BPSK | S-band telemetry | active |  | - |
| Cluster II FM5 (RUMBA) | - | 2256.008 | FM | S-Band | active |  | - |
| Cluster II FM6 (SALSA) | - | 2277.000 | FM | S-band | active |  | - |
| Cluster II FM7 (SAMBA) | - | 2270.000 | FM | S-band | active |  | - |
| Cluster II FM8 (TANGO) | - | 2249.006 | FM | S-Band | active |  | - |
| Cluster II FM8 (TANGO) | - | 2277.503 | FM | S-Band 2 | active |  | - |
| CNUSAIL-1 (PAPI) | - | 437.100 | BPSK | AX.25 BPSK-G3RUH 9k6 Telemetry | re-entered |  | - |
| CO3D1 (2025-156E) | - | 2273.000 | FM | S-band telemetry | active |  | - |
| COBE (1989-089A) | - | 2287.500 | FM | S-band telemetry | active |  | - |
| Colibri-S (Колибри-С) | - | 10475.000 | DVB-S2 | Mode X - DVB-S2 | active |  | - |
| Colibri-S (Колибри-С) | - | 436.835 | CW | Mode U - CW Beacon | active |  | - |
| Colibri-S (Колибри-С) | - | 436.835 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Telemetry (Geoscan framing) | active |  | - |
| COLUMBIA (US04
ON04US) | - | 437.055 | FSK | TLM FSK9K6 | re-entered |  | - |
| COMPASS 2 (DRAGSAIL) | - | 437.300 | AFSK | TLM UHF | re-entered |  | - |
| COMPASS 2 (DRAGSAIL) | - | 2403.000 | AFSK | TLM S-Band | re-entered |  | - |
| COMPASS-1 | - | 437.275 | CW | Beacon | re-entered |  | - |
| COMPASS-1 | - | 437.275 | MSK | Mode U - MSK4k8 AX.25 | re-entered |  | - |
| COMPASS-1 | - | 437.275 | MSK | Mode U - MSK2k4 AX.25 | re-entered |  | - |
| COMPASS-1 | - | 437.405 | AFSK | Mode U AFSK 1k2 AX.25 | re-entered |  | - |
| Connecta T1.1 | - | 401.525 | GMSK | Mode U - GMSK 9k6 AX.25 TLM | re-entered |  | - |
| Connecta T1.2 | - | 401.525 | GMSK | Mode U - GMSK 9k6 AX.25 TLM | inactive |  | - |
| Connecta T1.2 | - | 2223.000 | GMSK | Mode S - GMSK 115k2 TLM | active |  | - |
| Connecta T1.2 | - | 401.525 | GFSK | Mode U - GFSK 4k8 AX.25 TLM | active |  | - |
| Connecta T1.2 | - | 401.525 | GFSK | Mode U - GFSK 1k2 AX.25 TLM | inactive |  | - |
| Connecta T2.1 | - | 401.525 | GMSK | Mode U - GMSK 9k6 AX.25 TLM | re-entered |  | - |
| Connecta T2.1 | - | 402.525 | FM | Mode U - Transmitter | re-entered |  | - |
| Connecta T2.1 | - | 2223.000 | FM | S-Band Transmitter 2 | re-entered |  | - |
| Connecta T2.1 | - | 2047.000 | FM | S-Band Transmitter 1 | re-entered |  | - |
| Connecta T2.1 | - | 401.525 | GMSK | Mode U - GMSK 1k2 AX.25 TLM | re-entered |  | - |
| Connecta T3.1 | - | 2240.000 | FM | S-Band Transmitter 1 | re-entered |  | - |
| Connecta T3.1 | - | 2071.000 | FM | S-Band Transmitter 2 | re-entered |  | - |
| Connecta T3.1 | - | 401.510 | GMSK | Mode U - GMSK 9k6 AX.25 TLM | re-entered |  | - |
| Connecta T3.2 | - | 2071.000 | FM | S-Band Transmitter 2 | re-entered |  | - |
| Connecta T3.2 | - | 2240.000 | FM | S-Band Transmitter 1 | re-entered |  | - |
| Connecta T3.2 | - | 401.540 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | re-entered |  | - |
| ConnectaIoT-1 | - | 401.510 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-1 | - | 869.525 | LoRa | Mode U - LoRa | inactive |  | - |
| ConnectaIoT-1 | - | 2240.000 | BPSK | S-band telemetry | active |  | - |
| ConnectaIoT-10 | - | 401.520 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-10 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | inactive |  | - |
| ConnectaIoT-11 | - | 401.530 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-11 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | inactive |  | - |
| ConnectaIoT-12 | - | 401.540 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-12 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-13 | - | 401.510 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-14 | - | 401.520 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-15 | - | 401.530 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-15 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | inactive |  | - |
| ConnectaIoT-16 | - | 401.540 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-16 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | inactive |  | - |
| ConnectaIoT-2 | - | 401.520 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-2 | - | 869.525 | LoRa | Mode U - LoRa | inactive |  | - |
| ConnectaIoT-3 | - | 401.530 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-3 | - | 869.525 | LoRa | Mode U - LoRa | inactive |  | - |
| ConnectaIoT-3 | - | 2240.000 | FM | S-band telemetry | active |  | - |
| ConnectaIoT-4 | - | 401.540 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-4 | - | 869.525 | LoRa | Mode U - LoRa | active |  | - |
| ConnectaIoT-5 | - | 401.510 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-5 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-6 | - | 401.520 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-6 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-7 | - | 401.530 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-7 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-8 | - | 401.540 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-8 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-9 | - | 401.510 | GMSK | Mode U - GMSK 4k8 AX.25 TLM | active |  | - |
| ConnectaIoT-9 | - | 2240.000 | GMSK | Mode S - GMSK 4k8 AX.25 TLM | inactive |  | - |
| CONTECSAT-1 (OREUM) | - | 2220.000 | FM | Mode S - Downlink 1 | active |  | - |
| CONTECSAT-1 (OREUM) | - | 2245.000 | FM | Mode S - Downlink 2 | active |  | - |
| CONTECSAT-1 (OREUM) | - | 8110.000 | FM | Mode X - Downlink (67.5 MHz) | active |  | - |
| CONTECSAT-1 (OREUM) | - | 401.050 | GFSK | Mode U - Downlink | active |  | - |
| ContentCube | - | 437.020 | GMSK | Mode U - GMSK9k6 - Transmitter | active |  | - |
| COPPER | - | 437.290 | AFSK | Telem | re-entered |  | - |
| CoRAL | - | 401.140 | MSK AX.100 Mode 5 | Mode U - Transmitter | active |  | - |
| Coriolis | - | 8075.000 | QPSK | Mode X | active |  | - |
| Coriolis | - | 2212.504 | FM | Mode S 1 | active |  | - |
| Coriolis | - | 2222.528 | FM | Mode S 2 | active |  | - |
| Coriolis | - | 2221.510 | BPSK | WindSat | active |  | - |
| CORVUS BC1 (Landmapper-BC 1) | - | 400.175 | FM | TLM | dead |  | - |
| CORVUS BC1 (Landmapper-BC 1) | - | 2240.000 | BPSK | S-band telemetry | dead |  | - |
| CORVUS BC2 (Landmapper-BC 2) | - | 400.175 | FM | TLM | dead |  | - |
| CORVUS BC2 (Landmapper-BC 2) | - | 401.200 | FM | TLM | dead |  | - |
| CORVUS BC3 | - | 400.176 | BPSK | UHF Unknown | re-entered |  | - |
| CORVUS BC4 | - | 400.175 | FM | Mode U - Unknown | active |  | - |
| CORVUS BC5 (Landmapper-BC 5) | - | 400.507 | GMSK | Downlink | re-entered |  | - |
| COSMIC | - | 400.462 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - GOMSPACE NanoCom AX100UL | inactive |  | - |
| COSMIC | 2030.400 | 2249.510 | GMSK | Mode S - GMSK38k4 - GOMSPACE NanoCom AX2150 | active |  | - |
| CosmoGirl-Sat (JS1YOI) | 145.825 | 145.825 | AFSK | Mode V/V - APRS digipeater | re-entered |  | - |
| CosmoGirl-Sat (JS1YOI) | - | 437.120 | GMSK | Mode U - GMSK4k8 - AX.25 | re-entered |  | - |
| CosmoGirl-Sat (JS1YOI) | - | 437.120 | CW | Mode U - CW | re-entered |  | - |
| COSMOS 2197 (Strela-3) | - | 387.175 | FM | UHF Unknown | active |  | - |
| Cosmos 2407 | - | 149.970 | FSK | Mode V | active |  | - |
| Cosmos 2407 | - | 399.920 | CW | Mode U Tracking Beacon | active |  | - |
| Cosmos 2414 | - | 149.970 | FSK | Mode V 3FSK | active |  | - |
| Cosmos 2414 | - | 399.920 | CW | Mode U Tracking Beacon | active |  | - |
| Cosmos 2463 | - | 149.940 | FSK | Mode V 3FSK | active |  | - |
| Cosmos 2463 | - | 399.840 | CW | Mode U Tracking Beacon | active |  | - |
| COSMOS 2484 (Rodnik) | - | 387.175 | FM | UHF Unknown | active |  | - |
| COSMOS 2484 (Rodnik) | - | 388.687 | FM | UHF Unknown | active |  | - |
| COSMOS 2488 (Rodnik) | - | 387.175 | FM | UHF Unknown | active |  | - |
| COSMOS 2488 (Rodnik) | - | 388.687 | FM | UHF Unknown | active |  | - |
| COSMOS 2489 (Rodnik) | - | 387.175 | FM | UHF Unknown | active |  | - |
| COSMOS 2489 (Rodnik) | - | 388.687 | FM | UHF Unknown | active |  | - |
| COSMOS 2489 (Rodnik) | - | 265.950 | FM | 265.95 | active |  | - |
| COSMOS 2490 (Rodnik) | - | 387.175 | FM | UHF Unknown | active |  | - |
| COSMOS 2490 (Rodnik) | - | 388.687 | FM | UHF Unknown | active |  | - |
| COSMOS 2491 (RS-46) | - | 435.465 | CW | Mode U - CW | active |  | - |
| COSMOS 2491 (RS-46) | - | 435.465 | FM | Mode U - FM | active |  | - |
| COSMOS 2491 (RS-46) | - | 435.565 | CW | Mode U - CW | active |  | - |
| COSMOS 2491 (RS-46) | - | 435.565 | FM | Mode U - FM | active |  | - |
| COSMOS 2496 (Rodnik) | - | 387.175 | FM | UHF Unknown | active |  | - |
| COSMOS 2496 (Rodnik) | - | 388.187 | FM | UHF Unknown | active |  | - |
| COSMOS 2496 (Rodnik) | - | 388.687 | - | UHF Unknown | active |  | - |
| COSMOS 2499 (RS-47) | - | 435.465 | FM | Mode U TLM | active |  | - |
| COSMOS 2499 (RS-47) | - | 435.565 | FM | Mode U - TLM | active |  | - |
| COSMOS 2517 (GEO-IK) (2016-034A) | - | 2232.000 | BPSK | S-band telemetry | active |  | - |
| COSMOS 2535 (2019-039A) | - | 2281.008 | FM | S-band telemetry | active |  | - |
| COSMOS 2542 (2019-079A) | - | 2284.009 | FM | S-band telemetry | re-entered |  | - |
| COSMOS 2558 (2022-089A) | - | 2284.000 | FM | S-band telemetry | active |  | - |
| COSMOS 2558 (2022-089A) | - | 2266.000 | BPSK | S-band telemetry | active |  | - |
| Cosmos 2561 (2022-137A) | - | 2280.000 | FM | S-band telemetry | active |  | - |
| Cosmos 2572 (2023-182A) | - | 2285.000 | BPSK | S-band telemetry | active |  | - |
| COSMOS 2576 (2024-092A) | - | 2283.998 | FM | S-band telemetry | active |  | - |
| COSMOS 2581 (2025-026A) | - | 2284.000 | FM | S-band telemetry | active |  | - |
| COSMOS 2582 (2025-026B) | - | 2280.000 | FM | S-band telemetry | active |  | - |
| COSMOS 2583 (2025-026C) | - | 2280.000 | FM | S-band telemetry | active |  | - |
| COSMOS 2588 (2025-109A) | - | 2283.997 | FM | S-band telemetry | active |  | - |
| CP11 (ISX) | - | 437.150 | FSK | FSK9k6 AX.25 TLM | re-entered |  | - |
| CP11 (ISX) | - | 437.150 | CW | CW Beacon | re-entered |  | - |
| CP12(EXOCUBE-2) | - | 437.150 | FSK | Mode U - FSK9k6 AX.25 | re-entered |  | - |
| CP5 | - | 437.405 | AFSK | Mode U - AFSK 1k2 AX25 | active |  | - |
| CP7 (DAVE) | - | 437.150 | FSK | AX.25 FSK9k6 | re-entered |  | - |
| CP7 (DAVE) | - | 437.150 | CW | CW | re-entered |  | - |
| CP8 (IPEX) | - | 437.270 | FSK AX.25 G3RUH | Mode U - FSK9k6 AX25 | active |  | - |
| CP9 (LEO) | - | 437.505 | FSK | Mode U FSK9k6 AX.25 | re-entered |  | - |
| CP9 (LEO) | - | 437.505 | FSK | Mode U FSK19k2 AX.25 | re-entered |  | - |
| CP9 (LEO) | - | 437.505 | FSK | Mode U FSK38k4 AX.25 | re-entered |  | - |
| CPOD FLT1 (TYVAK-0032) | - | 401.180 | FM | UHF Unknown | re-entered |  | - |
| CroCube (9A0CC) | - | 436.775 | CW | CroCube UHF CW Beacon | active |  | - |
| CroCube (9A0CC) | 436.775 | 436.775 | GFSK | Mode U - GFSK9k6 - AX.25 G3RUH | active |  | - |
| Crypto3 | - | 1622.610 | FM | Mode L - Transmitter | active |  | - |
| Crypto3 | - | 2260.000 | FM | Mode S - Transmitter | active |  | - |
| CSC-1 (CubeSat Carrier-1) | - | 2245.000 | FM | Mode S | active |  | - |
| CSC-1 (CubeSat Carrier-1) | - | 401.175 | BPSK | Mode U - TLM | active |  | - |
| CSC-1 (CubeSat Carrier-1) | - | 2213.300 | BPSK | S-Band transmitter | active |  | - |
| CSC-2 (CubeSat Carrier-2) | - | 2245.000 | FM | Mode S | active |  | - |
| CSC-2 (CubeSat Carrier-2) | - | 401.250 | BPSK | Mode U | active |  | - |
| CSIM-FD | - | 437.250 | GFSK | GFSK9k6 TLM | re-entered |  | - |
| CSO 2 (2020-104A) | - | 2205.923 | BPSK | S-band telemetry | active |  | - |
| CSS (Tianhe) (Tiangong) | - | 2232.220 | FM | S TLM 1 | active |  | - |
| CSS (Tianhe) (Tiangong) | - | 2250.720 | FM | S TLM 2 | active |  | - |
| CSS (Tianhe) (Tiangong) | - | 2208.722 | FM | 2208.722 | active |  | - |
| CSS (Tianhe) (Tiangong) | 145.850 | 145.985 | FMN | 1A V/V crew voice NFM | active |  | - |
| CSS (Tianhe) (Tiangong) | 435.050 | 436.510 | FMN | 1B U/U crew voice NFM | active |  | - |
| CSS (Tianhe) (Tiangong) | 145.875 | 436.510 | FMN | 2A V/U FM repeater NFM | active |  | - |
| CSS (Tianhe) (Tiangong) | 435.075 | 145.985 | FMN | 2B U/V FM repeater NFM | active |  | - |
| CSS (Tianhe) (Tiangong) | 145.825 | 145.825 | AFSK | 3A V/V digipeater AFSK-FM 1200 | active |  | - |
| CSS (Tianhe) (Tiangong) | 437.550 | 437.550 | AFSK | 3B U/U digipeater AFSK-FM 1200 | active |  | - |
| CSS (Tianhe) (Tiangong) | 145.850 | 145.985 | SSTV | 4A V/V imaging SSTV-FM | active |  | - |
| CSS (Tianhe) (Tiangong) | 435.050 | 436.510 | SSTV | 4B U/U imaging SSTV-FM | active |  | - |
| CSSWE | - | 437.349 | FSK AX.25 G3RUH | Mode U - FSK9k6 AX25 | active |  | - |
| CSTP-1.1 (STC-1.1) | - | 436.075 | LoRa | Mode U - LoRa | active |  | - |
| CSTP-1.2 (STC-1.2) | - | 436.270 | LoRa | Mode U - LoRa | active |  | - |
| CSTP-2.1 | - | 437.485 | LoRa | Mode U - LoRa | active |  | - |
| CSTP-2.1 | - | 437.485 | FSK | [Experiment] LoRa (62.5 kHz bandwidth) (as FSK) | active |  | - |
| CSTP-2.11 | - | 437.985 | LoRa | Mode U - LoRa | active |  | - |
| CSTP-2.11 | - | 437.985 | FSK | [Experiment] LoRa (62.5 kHz bandwidth) (as FSK) | active |  | - |
| CSTP-2.2 | - | 437.050 | FSK | [Experiment] LoRa (62.5 kHz bandwidth) (as FSK) | active |  | - |
| CSTP-2.2 | - | 437.050 | LoRa | Mode U - LoRa | active |  | - |
| CTC-0 | - | 2240.500 | 4FSK | Mode S - FSK 62.5 Kbps | active |  | - |
| CTC-0 | - | 2185.000 | QPSK | Mode S - QPSK 200Kbps | active |  | - |
| CTC-0 | - | 401.500 | GFSK | Mode U - GFSK4k8 | active |  | - |
| CTC-1A | - | 401.500 | GFSK | Mode U - GFSK2k4 - Transmitter | active |  | - |
| CTC-1A | - | 2245.000 | GMSK | Mode S - GMSK 115Kb/s | active |  | - |
| CTC-1A | - | 2185.000 | 64-QAM | Mode S - 64-QAM 20Msps - Transmitter 1 | active |  | - |
| CTC-1A | - | 2245.000 | 64-QAM | Mode S - 64-QAM 20Msps - Transmitter 2 | active |  | - |
| CTC-1B | - | 401.500 | GFSK | Mode U - GFSK2k4 - Transmitter | active |  | - |
| CTC-1B | - | 2245.000 | GMSK | Mode S - GMSK 115Kb/s | active |  | - |
| CTC-1B | - | 2185.000 | 64-QAM | Mode S - 64-QAM 20Msps - Transmitter 1 | active |  | - |
| CTC-1B | - | 2245.000 | 64-QAM | Mode S - 64-QAM 20Msps - Transmitter 2 | active |  | - |
| CTC-1C | - | 401.500 | GFSK | Mode U - GFSK2k4 - Transmitter | active |  | - |
| CTC-1C | - | 2245.000 | GMSK | Mode S - GMSK 115Kb/s | active |  | - |
| CTC-1C | - | 2185.000 | 64-QAM | Mode S - 64-QAM 20Msps - Transmitter 1 | active |  | - |
| CTC-1C | - | 2245.000 | 64-QAM | Mode S - 64-QAM 20Msps - Transmitter 2 | active |  | - |
| CTIM (Compact Total Irradiance Monitor) | 437.250 | 437.250 | GFSK | Mode U/U - GFSK 9k6 AX.25 G3RUH (SpaceQuest TRX-U) | re-entered |  | - |
| CTIM (Compact Total Irradiance Monitor) | - | 2402.000 | GFSK | Mode S - GFSK 500kbps (SpaceQuest TX-2400) | re-entered |  | - |
| CTIM (Compact Total Irradiance Monitor) | - | 437.396 | GFSK | Mode U - GFSK 9k6 AX.25 G3RUH | re-entered |  | - |
| CU-ALPHA | - | 437.400 | LoRa | Mode U - LoRa | active |  | - |
| CUAVA-1 | - | 437.075 | BPSK | Mode U - BPSK9k6 Telemetry | re-entered |  | - |
| CUAVA-2 | - | 2259.000 | QPSK | Mode S - Downlink | inactive |  | - |
| CUAVA-2 | - | 400.650 | BPSK | Mode U - BPSK1k2 | active |  | - |
| CubeBel-1 (BSUSat-1) | - | 436.200 | GMSK | GMSK9k6 | re-entered |  | - |
| CubeBel-1 (BSUSat-1) | 436.200 | 436.990 | GMSK | GMSK4k8 | re-entered |  | - |
| CubeBel-1 (BSUSat-1) | - | 436.990 | GMSK | Telemetry GMSK9k6 | re-entered |  | - |
| CubeBel-1 (BSUSat-1) | - | 436.990 | FSK | FSK4k8 AX.25 TLM | re-entered |  | - |
| CubeBel-1 (BSUSat-1) | - | 436.990 | FSK | FSK9k6 | re-entered |  | - |
| CUBEBEL-2 (BSUSAT-2) | - | 436.990 | FSK | Mode U 9k6 FSK AX.25 | active |  | - |
| CUBEBEL-2 (BSUSAT-2) | - | 2425.000 | FM | Mode S - Transmitter | active |  | - |
| CUBEBUG-1 (CAPITAN BETO) | - | 437.445 | AFSK | AFSK 1200 | active |  | - |
| CUBEBUG-2 (LO-74) | - | 437.445 | AFSK | UHF 1K2 AFSK Telemetry | active |  | - |
| CUBEBUG-2 (LO-74) | - | 437.445 | FSK | Mode U - FSK9k6 - AX.25 TLM | active |  | - |
| CubeSail-1 | - | 437.505 | GMSK | GMSK9k6 AX.25 TLM | re-entered |  | - |
| CubeSail-1 | - | 437.305 | GMSK | GMSK9k6 AX.25 TLM | re-entered |  | - |
| CUBESAT XI-IV (CO-57) | - | 436.848 | CW | Mode U CW Beacon | active |  | - |
| CUBESAT XI-IV (CO-57) | - | 437.490 | AFSK | Mode U AFSK TLM | active |  | - |
| CUBESAT XI-IV (CO-57) | - | 436.849 | CW | PE0SAT - CW Beacon | active |  | - |
| CUBESAT XI-V (CO-58) | - | 437.463 | CW | Mode U CW BEACON | active |  | - |
| CUBESAT XI-V (CO-58) | - | 437.345 | AFSK | Mode U TLM | inactive |  | - |
| CubeSX-HSE (RS13S) | - | 435.650 | GMSK | Mode U - GMSK9k6 USP FEC | re-entered |  | - |
| CubeSX-HSE (RS13S) | - | 10455.000 | DVB-S2 | Mode X - DVB-S2 | re-entered |  | - |
| CubeSX-HSE (RS13S) | - | 435.650 | GMSK | Mode U - GMSK2k4 USP FEC | re-entered |  | - |
| CubeSX-HSE-2 (SXC3-213) | - | 435.570 | GMSK | Mode U - GMSK 2k4 (USP FEC) TLM | re-entered |  | - |
| CubeSX-HSE-2 (SXC3-213) | - | 10455.000 | DVB-S2 | Mode X - DVB-S2 | re-entered |  | - |
| CubeSX-HSE-3 (RS42S) | - | 436.570 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | active |  | - |
| CubeSX-Sirius-HSE (RS14S) | - | 10465.000 | DVB-S2 | Mode X - DVB-S2 | re-entered |  | - |
| CubeSX-Sirius-HSE (RS14S) | 437.050 | 437.050 | GMSK | Mode U - GMSK2k4 USP FEC | re-entered |  | - |
| CuPID | - | 400.500 | GFSK | Mode U - GFSK38k4 (Only over Ground Station) | active |  | - |
| CURIE | - | 916.000 | GFSK | Mode U - GFSK 87kbps | active |  | - |
| CURIE | - | 2395.000 | FSK | Mode S - FSK 708kbps | active |  | - |
| Curium One (Curium-1) | - | 436.240 | GMSK | UHF 50k GMSK TLM | active |  | - |
| CURTIS | - | 2279.100 | FM | Mode S - Transmitter | re-entered |  | - |
| CURTIS | - | 400.964 | CW | Mode U - Transmitter | re-entered |  | - |
| CUTE | - | 437.250 | GFSK | Mode U - GFSK9k6 AX.25/G3RUH - SpaceQuest TRX-U | active |  | - |
| CUTE | - | 437.250 | GMSK | Mode U - GMSK19k2 AX.25/G3RUH - SpaceQuest TRX-U | inactive |  | - |
| CUTE | - | 2402.000 | BPSK | Mode S - BPSK500k - BCT S-band SDR | inactive |  | - |
| CUTE-1 (CO-55) | - | 437.470 | AFSK | Mode U TLM | active |  | - |
| CUTE-1 (CO-55) | - | 436.838 | CW | Mode U TLM | active |  | - |
| CUTE-1 (CO-55) | - | 436.836 | CW | PE0SAT - CW Beacon | active |  | - |
| CUTE-1.7+APD II (CO-65) | - | 437.275 | CW | Mode U TLM 1 | active |  | - |
| CUTE-1.7+APD II (CO-65) | - | 437.475 | AFSK | Mode U TLM 2 | active |  | - |
| CUTE-1.7+APD II (CO-65) | - | 437.275 | CW | PE0SAT - CW Beacon | active |  | - |
| CUTE-1.7+APD II (CO-65) | 1267.600 | 437.475 | GMSK | Mode L/U Digipeater | active |  | - |
| CyBEEsat (TUBSAT-33) | - | 137.500 | GMSK | Mode V - GMSK1k2 | re-entered |  | - |
| CyBEEsat (TUBSAT-33) | - | 137.500 | GMSK | Mode V - GMSK1k2 | future |  | - |
| CYCLOPS (VOENMEH) | - | 436.220 | GMSK | Mode U - GMSK 2k4 TLM | re-entered |  | - |
| CYCLOPS (VOENMEH) | - | 436.050 | GMSK | Mode U - GMSK 2k4 TLM | re-entered |  | - |
| CYCLOPS (VOENMEH) | - | 436.050 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | re-entered |  | - |
| CYSAT-1 | - | 436.375 | FSK | Mode U - 9k6 FSK | re-entered |  | - |
| CZ-2D DEB | - | 400.804 | BPSK | UHF Unknown | re-entered |  | - |
| CZ-2D R/B | - | 400.954 | FM | UHF Unknown | re-entered |  | - |
| CZ-2D R/B | - | 400.705 | BPSK | UHF Unknown | re-entered |  | - |
| CZ-2D R/B | - | 401.804 | - | UHF Unknown | re-entered |  | - |
| CZ-2D R/B | - | 400.006 | BPSK | UHF Unknown | re-entered |  | - |
| CZ-4B R/B | - | 432.084 | FM | Unknown Telemetry | active |  | - |
| CZ-4C R/B | - | 437.509 | FM | Rocket Body Telemetry | active |  | - |
| CZ-4C R/B | - | 437.549 | FM | Rocket Body Telemetry | active |  | - |
| CZ-4C R/B | - | 437.529 | FM | Mean frequency of Rocket Body Telemetries | active |  | - |
| CZ-4C R/B | - | 437.080 | FSK | Mode U - Xinyun IOT attachment | active |  | - |
| CZ-4C R/B | - | 436.360 | FSK | Mode U - Xinyun IOT attachment | active |  | - |
| CZ-4C R/B | - | 435.965 | FM | Xinyun Mode U TLM | active |  | - |
| CZ-4C R/B | - | 401.550 | FM | Mode U | active |  | - |
| CZ-4C R/B | - | 400.006 | FM | UHF Unknown | active |  | - |
| D-SAT | - | 437.505 | FSK | TLM 4k8 FSK | active |  | - |
| D-SAT | - | 437.505 | CW | TLM CW | active |  | - |
| D-SAT | - | 437.509 | FM | FM Beacon | active |  | - |
| D-STAR ONE (LIGHTSAT) (LIGHTSAT) | - | 435.700 | GMSK | Mode U GMSK4k8 MOBITEX | re-entered |  | - |
| D-STAR ONE (LIGHTSAT) (LIGHTSAT) | - | 435.700 | GMSK | Mode U GMSK9k6 MOBITEX | re-entered |  | - |
| D-STAR ONE (LIGHTSAT) (LIGHTSAT) | - | 435.525 | FM | Mode U/U FM voice | re-entered |  | - |
| D-Star ONE iSat (DP1GOS) | 437.325 | 435.525 | DSTAR | MODE U/U DSTAR VOICE | active |  | - |
| D-Star ONE iSat (DP1GOS) | - | 435.700 | GMSK | GMSK4k8 Mobitex TLM | active |  | - |
| D-Star ONE Sparrow (DP1GOS) | - | 435.700 | FM | TLM | inactive |  | - |
| D-Star ONE Sparrow (DP1GOS) | 437.325 | 435.525 | DSTAR | MODE U/U DSTAR VOICE | active |  | - |
| D-Star ONE Sparrow (DP1GOS) | - | 435.700 | GMSK | GMSK4k8 Mobitex TLM | active |  | - |
| D2/Atlascom-1 (2021-059AV) | - | 2208.200 | BPSK | S-band telemetry | re-entered |  | - |
| D3 | - | 437.080 | FSK | Mode U - FSK 9k6 G3RUH AX25 TLM | re-entered |  | - |
| D3 | - | 437.080 | AFSK | Mode U - AFSK 1k2 AX25 TLM | re-entered |  | - |
| Da Vinci (DAVINCI) | 145.100 | 436.500 | CW | V/U CW Transpoder | re-entered |  | - |
| Da Vinci (DAVINCI) | - | 436.500 | GMSK | GMSK9k6 TLM | re-entered |  | - |
| Da Vinci (DAVINCI) | - | 1616.250 | BPSK | GlobalStar EyeStar 2M32G1D | re-entered |  | - |
| DAILI (Daily Atmospheric and Ionospheric Limb Imager) | - | 914.700 | FM | Mode U - FM | re-entered |  | - |
| DAMPE (2015-078A) | - | 2227.448 | FM | S-band telemetry | active |  | - |
| DanteSat | - | 437.600 | LoRa | Mode U - 2k2 LoRa | re-entered |  | - |
| DanteSat | - | 437.600 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| DAQI 1 (2022-039A) | - | 2236.079 | FM | S-band telemetry | active |  | - |
| DART (LiciaCube) | - | 8437.500 | FM | Return Link | active |  | - |
| DCS-1 (SCA0KR) | - | 401.150 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| DCUBED-1 (Araqys-D1) | - | 435.225 | FM | Mode U - Transmitter | active |  | - |
| Deimos | - | 400.200 | FM | Mode U - Downlink 1 | active |  | - |
| Deimos | - | 400.300 | GMSK | Mode U - GMSK9k6 | active |  | - |
| Deimos | - | 401.500 | GMSK | UHF 9k6 Emergency | inactive |  | - |
| DEIMOS 2 (2014-033D) | - | 2224.002 | BPSK | S-band telemetry | active |  | - |
| DEKART | - | 437.000 | GMSK | Mode U - GMSK4k8 MOBITEX | active |  | - |
| DELFI-C3 (DO-64) | - | 145.930 | BPSK | Mode V BPSK TLM secondary | re-entered |  | - |
| DELFI-C3 (DO-64) | - | 145.870 | BPSK | Mode V BPSK TLM primary | re-entered |  | - |
| DELFI-N3XT | - | 145.870 | BPSK | Telem | active |  | - |
| DELFI-N3XT | 435.530 - 435.570 | 145.880 - 145.920 | USB | U/V Transponder | inactive |  | - |
| DELFI-N3XT | - | 145.930 | BPSK | Beacon | active |  | - |
| DELFI-N3XT | - | 2405.000 | MSK | High Speed Data Downlink | active |  | - |
| Delfi-PQ | - | 436.650 | FSK | Mode U - FSK1k2 | re-entered |  | - |
| Delphini-1 (AUSAT 1) | - | 437.500 | MSK AX.100 Mode 5 | GMSK4k8 TLM | re-entered |  | - |
| Delphini-1 (AUSAT 1) | - | 437.500 | MSK AX.100 Mode 5 | GMSK9k6 TLM | re-entered |  | - |
| DENDEN-01 | - | 922.000 | FM | Mode U - Transmitter | re-entered |  | - |
| DENDEN-01 | - | 2277.300 | FM | Mode S - Transmitter | re-entered |  | - |
| DEORBITSAIL | - | 145.975 | BPSK | 1k2 BPSK TLM | active |  | - |
| DEORBITSAIL | - | 145.974 | BPSK | PE0SAT - 1k2 BPSK TLM | active |  | - |
| DESCENT | - | 435.775 | MSK AX.100 Mode 6 | MSK 9k6 Beacon | re-entered |  | - |
| DEWA-Sat1 | - | 401.500 | LoRa | Mode U - FM | re-entered |  | - |
| DEWA-Sat1 | - | 2282.768 | BPSK | S-band telemetry | re-entered |  | - |
| DEWASAT-2 | - | 401.100 | FSK | Mode U - FSK2k4 - Transmitter | re-entered |  | - |
| DEWASAT-2 | - | 2257.500 | BPSK | S-Band transmitter | re-entered |  | - |
| DhabiSat (MYSat-2) | - | 436.908 | BPSK | Mode U - BPSK2k4 | re-entered |  | - |
| DhabiSat (MYSat-2) | - | 436.908 | BPSK | Mode U - BPSK4k8 | re-entered |  | - |
| DhabiSat (MYSat-2) | - | 436.908 | BPSK | Mode U - BPSK9k6 | re-entered |  | - |
| DhabiSat (MYSat-2) | - | 436.908 | BPSK | Mode U - BPSK1k2 | re-entered |  | - |
| DhabiSat (MYSat-2) | - | 437.094 | BPSK | Mode U - BPSK1k2 | re-entered |  | - |
| DIDO 2 (Chen Jiayong 1) | - | 400.300 | BPSK | Downlink | re-entered |  | - |
| DIDO 3 | - | 400.450 | BPSK | Downlink | re-entered |  | - |
| DIONE | - | 2273.760 | FM | Mode S - Transmitter | future |  | - |
| DISCO-1 | - | 437.075 | FSK | UHF | re-entered |  | - |
| DIWATA-2 (PO-101) | - | 2284.991 | FM | Mode S | active |  | - |
| DIWATA-2 (PO-101) | 437.500 | 145.900 | FM | FM VOICE | active |  | - |
| DIWATA-2 (PO-101) | - | 145.900 | CW | CW Beacon | active |  | - |
| DIWATA-2 (PO-101) | 437.500 | 145.900 | AFSK | AFSK1k2 | inactive |  | - |
| DIY 1 (Arduiqube) | - | 437.125 | FM | Mode U - RTTY 100B 7N2 SHIFT 450 | re-entered |  | - |
| DIY 1 (Arduiqube) | - | 437.125 | FSK | FSK 500BD | re-entered |  | - |
| DIY 1 (Arduiqube) | - | 437.125 | CW | CW | re-entered |  | - |
| DIY 1 (Arduiqube) | - | 437.125 | AFSK | Mode U - EXPERIMENTAL FSK 500BD | re-entered |  | - |
| DJIBOUTI-1A | - | 401.800 | FSK | Mode U - FSK2k4 Transmitter | re-entered |  | - |
| DJIBOUTI-1A | - | 401.800 | FSK | Mode U - FSK9k6 Transmitter | re-entered |  | - |
| DJIBOUTI-1B | - | 401.800 | GMSK | Modu U - GMSK2k4 - Transmitter | active |  | - |
| DJIBOUTI-1B | - | 401.800 | GMSK | Mode U - GMSK9k6 - Transmitter | inactive |  | - |
| DMC 2 (UK-DMC 2) | - | 2233.337 | BPSK | Telemetry | active |  | - |
| DMC 3-FM1 (SSTL-S1 1) | - | 2230.006 | BPSK | Telemetry | active |  | - |
| DMC 3-FM1 (SSTL-S1 1) | - | 8212.500 | FM | Mode X (375MHz) | active |  | - |
| DMC 3-FM2 (SSTL-S1 2) | - | 2233.337 | BPSK | Telemetry | active |  | - |
| DMC 3-FM2 (SSTL-S1 2) | - | 8212.500 | FM | Mode X (375MHz) | active |  | - |
| DMC 3-FM3 (SSTL-S1 3) | - | 2236.667 | BPSK | Telemetry | active |  | - |
| DMC 3-FM3 (SSTL-S1 3) | - | 8212.500 | FM | Mode X (375MHz) | active |  | - |
| DMSP 5D-2 F15 (USA 147) | - | 400.032 | CW | CW | active |  | - |
| DMSP 5D-3 F17 | - | 2249.500 | FM | Mode S | active |  | - |
| DMSP 5D-3 F17 | - | 2232.500 | FM | Mode S - Mission Data | active |  | - |
| DMSP 5D-3 F17 | - | 2252.500 | FM | RTD | active |  | - |
| DMSP 5D-3 F17 | - | 400.328 | FM | Mode U - RTD1 | active |  | - |
| DMSP 5D-3 F17 | - | 400.822 | FM | Mode U - RTD2 | active |  | - |
| DMSP 5D-3 F17 | - | 2238.500 | BPSK | S-band telemetry | active |  | - |
| DMSP 5D-3 F18 (USA 210 2009-057A) | - | 2208.482 | FM | S-band telemetry | active |  | - |
| DMSP 5D-3 F18 (USA 210 2009-057A) | - | 2252.500 | FM | RTD | active |  | - |
| DMSP 5D-3 F18 (USA 210 2009-057A) | - | 2267.507 | BPSK | S-band telemetry | active |  | - |
| DMSP 5D-3 F18 (USA 210 2009-057A) | - | 400.328 | FM | Mode U - RTD1 | active |  | - |
| DMSP 5D-3 F18 (USA 210 2009-057A) | - | 400.822 | FM | Mode U - RTD2 | active |  | - |
| DMSP 5D-3 F18 (USA 210 2009-057A) | - | 2254.489 | FM | S-band telemetry | active |  | - |
| DMSP 5F-3 (USA 172) (2003-048A) | - | 2207.510 | BPSK | S-band telemetry | active |  | - |
| DMSP 5F-3 (USA 172) (2003-048A) | - | 2212.834 | FM | S-band telemetry | active |  | - |
| DODONA | - | 401.500 | FSK | Mode U - GFSK19k2 AX.25 | re-entered |  | - |
| DORA (Deployable Optical Receiver Aperture) | - | 436.825 | GMSK | Mode U - 7K3 GMSK | re-entered |  | - |
| Douyu-666 (TFSTAR) | - | 400.162 | FSK | Mode U - FSK | active |  | - |
| Dragonfly (JG6YOW) | 145.825 | 145.825 | AFSK | V/V Digipeater 1k2 | re-entered |  | - |
| Dragonfly (JG6YOW) | - | 437.375 | CW | CW | re-entered |  | - |
| Dragonfly (JG6YOW) | - | 437.375 | GMSK | 4k8 GMSK TLM | re-entered |  | - |
| DRAGONSAT-1 | - | 145.870 | FM | Telem | re-entered |  | - |
| Dragoon (USPWSA-DRAGOON) | - | 2225.700 | FM | Mode S - Transmitter | active |  | - |
| Dragoon (USPWSA-DRAGOON) | - | 2225.700 | BPSK | S-band telemetry | active |  | - |
| Droid.001 | - | 8212.500 | FM | Mode X - Transmitter | active |  | - |
| Droid.001 | - | 2220.000 | BPSK | S-band telemetry | active |  | - |
| DROID.002 | - | 2240.000 | FM | Mode S - Transmitter 1 | active |  | - |
| DROID.002 | - | 8210.000 | FM | Mode X - Transmitter | active |  | - |
| DROID.002 | - | 2243.000 | FM | Mode S - Transmitter 2 | active |  | - |
| DSAT-1 (DSAT) | - | 436.175 | FSK | 9k6 FSK | re-entered |  | - |
| DSAT-1 (DSAT) | - | 435.360 | CW | CW | re-entered |  | - |
| DTUSAT-2 | - | 2401.835 | MSK | S-Band downlink | active |  | - |
| DUCHIFAT-1 | - | 145.980 | CW | CW TLM beacon callsign 4X4HSL | active |  | - |
| DUCHIFAT-1 | - | 145.980 | BPSK | BPSK TLM 1k2 callsign 4X4HSL | active |  | - |
| DUCHIFAT-1 | - | 145.981 | BPSK | PE0SAT - 1k2 BPSK TLM | active |  | - |
| DUCHIFAT-3 | 145.970 | 436.400 | FM | Mode V/U FM | re-entered |  | - |
| DUCHIFAT-3 | - | 436.400 | BPSK | Mode U BPSK9k6 TLM AX.25 | re-entered |  | - |
| DUTHSat (GR01 ON01GR) | - | 436.420 | BPSK | TLM BPSK | re-entered |  | - |
| DUTHSat-2 | - | 2280.000 | GMSK | Mode S - GMSK38k4 - 32-bit ASM + Golay | active |  | - |
| DX1 (DX-1) | - | 438.225 | GFSK | 9k6 FSK TLM | active |  | - |
| DX1 (DX-1) | - | 438.226 | GFSK | PE0SAT - 9k6 GFSK TLM | active |  | - |
| DX1 (DX-1) | - | 2270.000 | FM | Mode S | active |  | - |
| e-kagaku-1 (IWATO) | - | 145.840 | FM | Mode V - FM Voice | active |  | - |
| e-kagaku-1 (IWATO) | - | 145.840 | AFSK | Mode V - AFSK1k2 - TLM | active |  | - |
| e-kagaku-1 (IWATO) | - | 145.840 | GMSK | Mode V - GMSK 9k6 - TLM | active |  | - |
| e-kagaku-1 (IWATO) | - | 145.840 | CW | Mode V - CW | active |  | - |
| E-ST@R-II | - | 437.485 | CW | Mode U Beacon | re-entered |  | - |
| E-ST@R-II | - | 437.485 | AFSK | Mode U TLM | re-entered |  | - |
| E3_TESTER_KARI-1 (E3 TESTER_KARI) | - | 2256.000 | FM | Mode S - Transmitter | active |  | - |
| EAGLE 2 | - | 437.507 | GFSK | GFSK9K6 TLM | re-entered |  | - |
| EagleEye | - | 8200.000 | FM | Mode | active |  | - |
| EagleEye | - | 2268.000 | FM | Mode S - Downlink | active |  | - |
| EAGLESAT-1 | - | 437.645 | FSK | FSK9k6 AX.25 | re-entered |  | - |
| EagleSat-2 | - | 437.165 | GFSK | Mode U - 19K2 GFSK | active |  | - |
| Eaglet 1 | - | 435.200 | BPSK | BPSK1k2 AX.25 TLM | active |  | - |
| Eaglet 1 | - | 435.800 | GMSK | AIS Downlink | active |  | - |
| EASAT-2 (SO-114) | 145.875 | 436.666 | FM | Mode V/U - FM Transceiver | re-entered |  | - |
| EASAT-2 (SO-114) | 145.875 | 436.666 | FSK | Mode V/U - FSK50 Transceiver | re-entered |  | - |
| EASAT-2 (SO-114) | - | 436.666 | CW | Mode U - CW Beacon | re-entered |  | - |
| EASAT-2 (SO-114) | - | 436.666 | FM | Mode U - FM Vocoder | re-entered |  | - |
| EASAT-2 (SO-114) | - | 436.666 | FSK | Mode U - FSK50 Telemetry and experiments | re-entered |  | - |
| ECAMSAT | - | 437.095 | AFSK | TLM | re-entered |  | - |
| ECUADOR-UTE | - | 437.050 | CW | Mode U CW Beacon | re-entered |  | - |
| ECUADOR-UTE | - | 437.050 | GMSK | Mode U GMSK9k6 | re-entered |  | - |
| EDGECUBE | - | 437.465 | FSK | Mode U FSK1k2 | re-entered |  | - |
| EDISON-1 (EDISON IOD) | - | 2256.000 | BPSK | S-band telemetry | active |  | - |
| EDISON-1 (EDISON IOD) | - | 2245.000 | FM | Mode S - Transmitter | inactive |  | - |
| EG 1 (TYVAK-0172 SIRION-1) | - | 401.200 | FM | Downlink | active |  | - |
| EG 2 (TYVAK-0171 SIRION-2) | - | 401.200 | FM | Downlink | re-entered |  | - |
| EG 3 (Tyvak 0173 SIRION-3) | - | 401.200 | FSK | Downlink | active |  | - |
| EGG | - | 437.425 | GMSK | 1k2 GMSK TLM | re-entered |  | - |
| EGG | - | 437.425 | CW | CW TLM | re-entered |  | - |
| EGG | - | 437.200 | AFSK | Tancredo-I 1k2 AFSK TLM | re-entered |  | - |
| Egyptsat A (2019-008A) | - | 2270.506 | FM | Telemetry S-Band | active |  | - |
| EIRSAT-1 (Educational Irish Research Satellite 1) | - | 437.100 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| EIVE | - | 2263.900 | FM | Mode S - Transmitter | re-entered |  | - |
| Elektro-L 1 | - | 1693.000 | FSK | GGAK-E 1 (665400 bd) | active |  | - |
| Elektro-L 2 | - | 7502.000 | FM | 7502 LHCP | active |  | - |
| Elektro-L 2 | - | 1693.000 | FSK | GGAK-E 2 (665400 bd) | active |  | - |
| Elektro-L 2 | - | 1544.500 | FM | SARSAT - L-Band | active |  | - |
| Elektro-L 3 | - | 1691.000 | BPSK | LRIT Bandwidth 200 kHz Rate 64/128 kbps | active |  | - |
| Elektro-L 3 | - | 465.000 | FM | Inter-satellite telecommand RHCP Mode U | active |  | - |
| Elektro-L 3 | - | 3405.703 | FM | TLM RHCP Mode S | active |  | - |
| Elektro-L 3 | - | 7500.000 | FM | DCP Downlink RHCP Mode C | active |  | - |
| Elektro-L 3 | - | 1697.000 | BPSK PMT-A3 | DCP/Selected Data Linear Mode L (2000000 bd) | active |  | - |
| Elektro-L 3 | - | 1693.000 | BPSK | 200 kHz Selected Data RHCP Mode L (2000000bd) | active |  | - |
| Elektro-L 3 | - | 1544.500 | BPSK | Data Relay LHCP Mode L (200000) | active |  | - |
| ELEVATION-1 | - | 2245.500 | FM | Mode S - Transmitter | active |  | - |
| ELEVATION-1 | - | 400.200 | FSK | Mode U - Transmitter | active |  | - |
| ELFIN-A (WJ2XNX) | - | 437.450 | GFSK | AX.25 GFSK19k2 | re-entered |  | - |
| ELFIN-A (WJ2XNX) | - | 437.450 | GFSK | AX.25 GFSK9k6 | re-entered |  | - |
| ELFIN-B (ELFIN-STARWJ2XOX) | - | 437.475 | GFSK | AX.25 GFSK19k2 | re-entered |  | - |
| ELFIN-B (ELFIN-STARWJ2XOX) | - | 437.475 | GFSK | Mode U - GFSK9k6 AX.25 | re-entered |  | - |
| ELO ALPHA (TYVAK-182A) | - | 401.760 | FM | Downlink | active |  | - |
| ELSA-D (End-of-Life Services by Astroscale) | - | 435.805 | FM | Mode U - FM | re-entered |  | - |
| Emisat (2019-018A) | - | 2255.141 | FM | S-band telemetry | active |  | - |
| ENDUROSAT ONE (ENDUROSAT AD) | - | 437.050 | CW | CW BEACON | re-entered |  | - |
| ENDUROSAT ONE (ENDUROSAT AD) | - | 437.050 | GFSK | GFSK TLM | re-entered |  | - |
| ENMAP (2022-033C) | - | 2268.000 | BPSK | S band telemetry | active |  | - |
| ENSO (ROBUSTA 1E) | - | 436.500 | GMSK | Mode U - 2k4 Transmitter | re-entered |  | - |
| ENSO (ROBUSTA 1E) | - | 14.099 | FM | HF Transmitter | re-entered |  | - |
| ENSO (ROBUSTA 1E) | - | 436.500 | GMSK | Mode U - 9k6 Transmitter | re-entered |  | - |
| EntrySat | - | 436.950 | BPSK | UHF Beacon and Telemetry | re-entered |  | - |
| EOS-07 (A55BTN) | 145.825 | 145.825 | AFSK | Mode V/V - APRS-DP payload | re-entered |  | - |
| EOSSAT-1 (EOS AgriSat-1) | - | 2245.000 | FM | Mode S - TLM | active |  | - |
| EOSSAT-1 (EOS AgriSat-1) | - | 2230.300 | BPSK | S-band telemetry | active |  | - |
| EPIC CHIMERA GEO 1 | - | 2221.000 | GMSK | Mode S - SB1 AX2150 | future |  | - |
| EPIC CHIMERA GEO 1 | - | 2240.000 | GMSK | Mode S - SB2 AX2150 | future |  | - |
| EPIC CHIMERA GEO 1 | - | 2264.000 | GMSK | Mode S - SB3 AX2150 | future |  | - |
| EPIC CHIMERA GEO 1 | - | 137.550 | GMSK | Mode V - Transmitter AX.100 | future |  | - |
| EPIC CHIMERA LEO 1 | - | 401.800 | GFSK | Mode U - GFSK 1k2 AX.25 G3RUH TLM | active |  | - |
| EQUiSat | - | 435.550 | CW | CW BEACON | re-entered |  | - |
| EQUiSat | - | 435.550 | FSK | 4FSK 9600 TLM | re-entered |  | - |
| ERNST | - | 8356.000 | FM | Mode X - Transmitter | active |  | - |
| ERNST | - | 401.100 | FSK AX.100 Mode 5 | Mode U - FSK4k8 - Transmitter | active |  | - |
| Eros B (2006-014A) | - | 2295.001 | FM | S-band telemetry | active |  | - |
| ERS 20 (OV5-3) | - | 136.260 | USB | Mode V Telemetry | active |  | - |
| ERS-15 | - | 136.439 | CW | carrier wave | active |  | - |
| ESEO (FunCube 4) | - | 437.000 | GMSK | GMSK4k8 AX25 ESEO TLM | active |  | - |
| ESEO (FunCube 4) | - | 145.895 | BPSK | BPSK4k8 AX25 FUNcube-4 Beacon | active |  | - |
| ESEO (FunCube 4) | 1263.500 | 145.895 | FM | FM | active |  | - |
| ESEO (FunCube 4) | - | 145.895 | BPSK | BPSK1k2 AX25 FUNcube-4 Beacon | active |  | - |
| ESEO (FunCube 4) | - | 437.000 | GMSK | GMSK9k6 AX25 ESEO TLM | active |  | - |
| ESSENCE | - | 435.775 | FM | Mode U | re-entered |  | - |
| ESTCUBE 1 | - | 437.250 | CW | Beacon | active |  | - |
| ESTCUBE 1 | - | 437.505 | FSK | Mode U FSK9k6 TLM | active |  | - |
| ESTCube-2 | - | 435.800 | GFSK | Mode U - GFSK 9k6 (AX.25, G3RUH) - TLM | re-entered |  | - |
| ESTCube-2 | - | 2425.000 | DQPSK | Mode S - HiSPiCO S-Band TLM | re-entered |  | - |
| ET-SMART-RSS (EthSat6U) | - | 401.950 | FM | Downlink | re-entered |  | - |
| ETRISat | - | 916.000 | LoRa | Mode U - LoRa - Transmitter | active |  | - |
| ETRISat | - | 2207.733 | FM | Mode S - Transmitter 1 | active |  | - |
| ETRISat | - | 2252.584 | FM | Mode S - Transmitter 2 | active |  | - |
| ETV-A1 | - | 401.050 | BPSK | UHF Unknown | active |  | - |
| ETV-A1 | - | 2224.765 | BPSK | S-band telemetry | active |  | - |
| ETV-A1 | - | 2210.743 | BPSK | S-band telemetry | active |  | - |
| Euclid | - | 8454.931 | FM | Mode X - Downlink | active |  | - |
| EUCROPIS (2018-099BB) | - | 2263.007 | FM | S-band telemetry | active |  | - |
| Eutelsat I F-4 (EUTE I F4) | - | 137.141 | CW | carrier wave | active |  | - |
| Eutelsat I F-4 (EUTE I F4) | - | 137.141 | BPSK | BPSK | active |  | - |
| EX-ALTA-2 (VE6UAB) | - | 437.875 | CW | Mode U CW | re-entered |  | - |
| EX-ALTA-2 (VE6UAB) | - | 2428.000 | FM | Mode S - Transmitter | re-entered |  | - |
| EX-ALTA-2 (VE6UAB) | - | 437.875 | FSK | Mode U - FSK1k2 | re-entered |  | - |
| EXALTA-1 (CA03 ON03CA) | - | 436.705 | GMSK | TLM GMSK | re-entered |  | - |
| EXO-0 | - | 401.360 | GMSK | UHF 4k8 Telemetry | active |  | - |
| EXOCONNECT (D-Star One Exoconnect) | - | 435.700 | GMSK | Mode U GMSK4k8 MOBITEX | re-entered |  | - |
| EXOCONNECT (D-Star One Exoconnect) | - | 435.700 | GMSK | Mode U GMSK9k6 MOBITEX | re-entered |  | - |
| EXOCUBE (CP-10) | - | 437.270 | AFSK | FSK Beacon | re-entered |  | - |
| EXOCUBE (CP-10) | - | 437.270 | FSK | PE0SAT - 9k6 FSK TLM | re-entered |  | - |
| ExseedSat 1 (VO-96) | 435.340 | 145.900 | FM | U/V FM CTCSS 67.0Hz | active |  | - |
| ExseedSat 1 (VO-96) | 435.340 | 145.900 | AFSK | U/V APRS Digipeater | active |  | - |
| EYESAT-1 (AO-27) | 145.850 | 436.795 | FM | Mode V/U FM | active |  | - |
| EYESAT-1 (AO-27) | - | 436.795 | AFSK | Mode U AFSK Beacon | active |  | - |
| EYESAT-1 (AO-27) | - | 2218.000 | FM | Mode S | active |  | - |
| EYESAT-1 (AO-27) | - | 436.797 | GMSK | Mode U - GMSK9k6 | active |  | - |
| EZIE-A | - | 2210.900 | FM | Mode S - Transmitter 1 | active |  | - |
| EZIE-A | - | 2217.500 | FM | Mode S - Transmitter 2 | active |  | - |
| EZIE-A | - | 2268.100 | FM | Mode S - Transmitter 3 | active |  | - |
| EZIE-B | - | 2210.900 | FM | Mode S - Transmitter 1 | active |  | - |
| EZIE-B | - | 2217.500 | FM | Mode S - Transmitter 2 | active |  | - |
| EZIE-B | - | 2268.100 | FM | Mode S - Transmitter 3 | active |  | - |
| EZIE-C | - | 2210.900 | FM | Mode S - Transmitter 1 | active |  | - |
| EZIE-C | - | 2217.500 | FM | Mode S - Transmitter 2 | active |  | - |
| EZIE-C | - | 2268.100 | FM | Mode S - Transmitter 3 | active |  | - |
| FACSAT-1 | - | 437.350 | MSK AX.100 Mode 5 | GMSK9k6 | re-entered |  | - |
| FACSAT-2 (2023-054AD) | - | 401.416 | FM | Telemetry | re-entered |  | - |
| FACSAT-2 (2023-054AD) | - | 2255.000 | FM | S-band telemetry | re-entered |  | - |
| FALCONSAT 3 (PFS3) | 145.840 | 435.103 | FSK | TLM FSK | re-entered |  | - |
| FALCONSAT-10 (2023-174AM) | - | 2287.982 | FM | S-band telemetry | active |  | - |
| Faraday Phoenix | - | 401.150 | FSK AX.100 Mode 5 | Mode U - FSK 9k6 | active |  | - |
| FEES (Flexible Experimental Embedded Satellite) | - | 437.200 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| FEES (Flexible Experimental Embedded Satellite) | - | 437.200 | LoRa | Mode U - LoRa | re-entered |  | - |
| FEES (Flexible Experimental Embedded Satellite) | - | 1621.250 | DQPSK | Iridium Link | re-entered |  | - |
| FEES 2 | - | 437.200 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| FEES 2 | - | 436.000 | LoRa | Mode U LoRa | re-entered |  | - |
| FengMaNiu 1 (FMN-1) | - | 435.350 | BPSK | TLM 9k6 BPSK AX.25 | re-entered |  | - |
| FengMaNiu 1 (FMN-1) | 145.945 | 435.350 | FM | MODE V/U FM VOICE | re-entered |  | - |
| FENGYUN 2H (Feng-Yun - 2H) | - | 1690.500 | BPSK | Mode L xRIT - BPSK 500 kbps (1 MHz bandwidth) | active |  | - |
| FENGYUN 2H (Feng-Yun - 2H) | - | 1702.500 | CW | Mode L - CW TLM | active |  | - |
| FENGYUN 2H (Feng-Yun - 2H) | - | 1687.500 | BPSK | Mode L - S-VISSR 2.0 - BPSK 660 kbps (1.212 MHz bandwidth) | active |  | - |
| FENGYUN 3A (Feng-Yun-3A) | - | 1704.500 | AHRPT | AHRPT Downlink | active |  | - |
| FENGYUN 3A (Feng-Yun-3A) | - | 8145.950 | QPSK | Mode X | active |  | - |
| FENGYUN 3A (Feng-Yun-3A) | - | 1704.500 | AHRPT | AHRPT 1704.5 GHz | active |  | - |
| FENGYUN 3A (Feng-Yun-3A) | - | 7775.000 | PSK | MPT | active |  | - |
| FENGYUN 3A (Feng-Yun-3A) | - | 2264.630 | FM | S-band telemetry | active |  | - |
| FENGYUN 3B (Feng-Yun-3B) | - | 8145.950 | QPSK | Mode X | active |  | - |
| FENGYUN 3B (Feng-Yun-3B) | - | 1704.500 | AHRPT | AHRPT Downlink | inactive |  | - |
| FENGYUN 3B (Feng-Yun-3B) | - | 2246.403 | BPSK | Telemetry | inactive |  | - |
| FENGYUN 3C (Feng-Yun-3C) | - | 1701.400 | AHRPT | AHRPT Downlink | active |  | - |
| FENGYUN 3C (Feng-Yun-3C) | - | 2218.566 | BPSK | Telemetry | active |  | - |
| FENGYUN 3C (Feng-Yun-3C) | - | 8175.000 | QPSK | Mode X | active |  | - |
| FENGYUN 3C (Feng-Yun-3C) | - | 2252.892 | FM | S band telemetry | active |  | - |
| FENGYUN 3C (Feng-Yun-3C) | - | 1701.300 | AHRPT | AHRPT | active |  | - |
| FENGYUN 3C (Feng-Yun-3C) | - | 7780.000 | FM | MPT | active |  | - |
| FengYun 3D (FY-3D) | - | 7820.000 | AHRPT | AHRPT | active |  | - |
| FengYun 3D (FY-3D) | - | 2246.403 | BPSK | Telemetry | active |  | - |
| FengYun 3D (FY-3D) | - | 2264.643 | BPSK | Telemetry 2 Mode S | active |  | - |
| FengYun 3E (FY-3E) | - | 2252.881 | BPSK | Telemetry | active |  | - |
| FengYun 3E (FY-3E) | - | 2218.539 | FM | telemetry | active |  | - |
| FengYun 3E (FY-3E) | - | 7860.000 | AHRPT | Mode X - AHRPT | active |  | - |
| FengYun 3E (FY-3E) | - | 8212.500 | FM | Mode X - DPT dumps (active over China & Sweden) | active |  | - |
| FENGYUN 3F (2023-111A) | - | 2246.403 | FM | Mode S - TLM | active |  | - |
| FENGYUN 3F (2023-111A) | - | 2264.641 | BPSK | S-band telemetry | active |  | - |
| FENGYUN 3F (2023-111A) | - | 7790.000 | AHRPT | AHRPT | active |  | - |
| FENGYUN 3F (2023-111A) | - | 8212.500 | FM | Mode X - DPT dumps (active over China & Sweden) | active |  | - |
| FengYun-1D (FY-1D) | - | 180.007 | USB | Mode V | active |  | - |
| FengYun-1D (FY-1D) | - | 480.019 | CW | Mode U | active |  | - |
| FengYun-1D (FY-1D) | - | 2201.050 | FM | Mode L | active |  | - |
| FengYun-1D (FY-1D) | - | 1700.500 | HRPT | HRPT | active |  | - |
| FengYun-1D (FY-1D) | - | 1700.500 | BPSK | BPSK | active |  | - |
| FGN-100-D1 | - | 2253.000 | FM | Mode S - Transmitter 1 | active |  | - |
| FGN-100-D1 | - | 2280.000 | FM | Mode S - Transmitter 1 | active |  | - |
| FIREBIRD 3 (FU3) | - | 437.405 | GMSK | 19k2 GMSK TLM | re-entered |  | - |
| FIREBIRD 4 (FU4) | - | 437.230 | GMSK | 19k2 GMSK TLM | re-entered |  | - |
| FIREBIRD 4 (FU4) | - | 437.220 | FSK | PE0SAT - 19k2 FSK TLM | re-entered |  | - |
| FIREBIRD-A (FIREBIRD-1) | - | 437.397 | FSK AX.25 G3RUH | Mode U - FSK19k2 AX25 | re-entered |  | - |
| FIREBIRD-B (FIREBIRD-2) | - | 437.230 | FSK AX.25 G3RUH | Mode U - FSK19k2 AX25 | active |  | - |
| FIREFLY-1 | - | 2243.000 | FM | Mode S - Transmitter | active |  | - |
| FIREFLY-1 | - | 8100.000 | FM | Mode X - Transmitter | active |  | - |
| FIREFLY-2 | - | 2243.000 | FM | Mode S - Transmitter | active |  | - |
| FIREFLY-2 | - | 8100.000 | FM | Mode X - Transmitter | active |  | - |
| FIREFLY-3 | - | 8100.000 | FM | Mode X - Transmitter | active |  | - |
| FIREFLY-3 | - | 2248.000 | FM | S-band telemetry | active |  | - |
| FIREFLY-3 | - | 2243.000 | FM | Mode S - Transmitter | inactive |  | - |
| FIRESAT-0 | - | 8205.000 | FM | Mode X - Transmitter - EESS | active |  | - |
| FIRESAT-0 | - | 8385.000 | FM | Mode X - Transmitter 1 - TT&C | active |  | - |
| FIRESAT-0 | - | 8390.000 | FM | Mode X - Transmitter 2 - TT&C | active |  | - |
| FIRESAT-0 | - | 2208.000 | BPSK | S-band telemetry | active |  | - |
| FIRST-MOVE | - | 437.385 | BPSK | UHF BPSK1k2 TLM | re-entered |  | - |
| FIRST-MOVE | - | 145.970 | CW | CW Beacon | re-entered |  | - |
| Flamingo-1 | - | 2240.000 | FM | Mode S - Transmitter | active |  | - |
| Flamingo-1 | - | 401.050 | GMSK | UHF 9k6 Telemetry | active |  | - |
| FLOCK 1C 11 (2014-033Z) | - | 401.307 | FM | Telemetry | re-entered |  | - |
| FLOCK 1C-4 | - | 401.334 | FSK | Mode U | re-entered |  | - |
| FLOCK 3K 4 | - | 401.300 | GFSK | Downlink | re-entered |  | - |
| FLOCK 3P'-1 | - | 401.300 | FM | Downlink | re-entered |  | - |
| FLOCK 3P'-1 | - | 401.300 | GFSK | Mode U GFSK 4K8 | re-entered |  | - |
| FLOCK 3P'-2 | - | 401.300 | GFSK | Mode U | re-entered |  | - |
| FLOCK 3P'-3 | - | 401.300 | GFSK | Downlink | re-entered |  | - |
| FLOCK 3P'-4 | - | 401.300 | GFSK | Mode U | re-entered |  | - |
| FLOCK 3P'-4 | - | 401.300 | FM | Downlink | re-entered |  | - |
| FLOCK 3P-23 | - | 401.300 | GFSK | Downlink | re-entered |  | - |
| Flock 4EP 2 (2020-077H) | - | 401.296 | FM | Telemetry | re-entered |  | - |
| Flock 4P 1 (2019-081L) | - | 401.300 | GFSK | Mode U - Flock | re-entered |  | - |
| Flock 4P 4 (2019-081H) | - | 401.300 | GFSK | Mode U - Flock | re-entered |  | - |
| FLOCK 4P 5 | - | 401.300 | GFSK | Mode U | re-entered |  | - |
| FLOCK 4P 7 | - | 401.300 | GFSK | Mode U | re-entered |  | - |
| FLOCK 4Q 1 | - | 401.300 | GFSK | Backup TT&C Downlink | active |  | - |
| FLOCK 4Q 1 | - | 8150.000 | DVB-S2 | Imagery Downlink | active |  | - |
| FLOCK 4Q 18 (2023-174BB) | - | 2269.170 | BPSK | S-band telemetry | re-entered |  | - |
| FLOCK 4Q 25 (2023-174AZ) | - | 401.334 | FM | Telemetry | active |  | - |
| Flock 4S 10 (2021-006DP) | - | 401.750 | FM | Telemetry | re-entered |  | - |
| Flock 4S 29 (2021-006DL) | - | 401.504 | FM | Telemetry | re-entered |  | - |
| Flock 4S 7 (2021-006DT) | - | 401.500 | FM | Telemetry | re-entered |  | - |
| Flock 4S 7 (2021-006DT) | - | 2265.900 | BPSK | S-band telemetry | re-entered |  | - |
| FLOCK 4V 10 | - | 401.334 | FSK | Mode U - possible Flock Wideband | re-entered |  | - |
| FLOCK 4V 13 | - | 401.334 | FSK | Mode U | re-entered |  | - |
| FLOCK 4V 14 | - | 401.300 | FSK | Mode U | re-entered |  | - |
| Flock 4V 16 (2020-061BD) | - | 401.304 | FM | Telemetry | re-entered |  | - |
| FLOCK 4V 17 | - | 401.300 | FSK | Mode U - Planet Labs | re-entered |  | - |
| FLOCK 4V 2 (Dove 2256) | - | 401.300 | GFSK | Mode U - Planet Labs | re-entered |  | - |
| Flock 4V 20 (2020-061BJ) | - | 401.300 | FM | telemetry | re-entered |  | - |
| FLOCK 4V 23 | - | 401.334 | GFSK | Mode U - Planet Labs Wide | re-entered |  | - |
| FLOCK 4V 25 | - | 401.300 | GFSK | Mode U - Planet Labs Narrow | re-entered |  | - |
| FLOCK 4V 4 (Dove 2274) | - | 401.300 | GFSK | Mode U - Planet Labs | re-entered |  | - |
| Flock 4X 19 (2022-002BQ) | - | 401.300 | FM | Telemetry | re-entered |  | - |
| FLOCK 4X 28 (2022-002BP) | - | 401.300 | GFSK | Mode U | re-entered |  | - |
| Flock 4Y 23 (2023-001BZ) | - | 436.025 | FM | Telemetry | re-entered |  | - |
| FloripaSat-1 | - | 145.900 | GFSK | Mode V GFSK1k2 AX.25 Beacon | active |  | - |
| FloripaSat-1 | 436.100 | 436.100 | GFSK | Mode U/U GFSK2k4 Repeater | active |  | - |
| FloripaSat-2A | - | 468.200 | GMSK | Mode U - GMSK1k2 - Transmitter | re-entered |  | - |
| FloripaSat-2B | - | 468.200 | GMSK | Mode U - GMSK1k2 - Transmitter | re-entered |  | - |
| FLYING LAPTOP | - | 2263.500 | BPSK | Telemetry | active |  | - |
| FLYING LAPTOP | - | 2408.000 | QPSK | Data Downlink System (DDS) | active |  | - |
| FO-82 (SHIN'EN 2 Fuji Oscar 82) | - | 437.505 | CW | UHF CW Beacon | active |  | - |
| FO-82 (SHIN'EN 2 Fuji Oscar 82) | - | 437.385 | WSJT | WSJT Telemetry | active |  | - |
| FO-82 (SHIN'EN 2 Fuji Oscar 82) | 145.940 - 145.960 | 435.260 - 435.280 | LSB | U/V Transponder | active |  | - |
| Foras Promineo | - | 437.400 | LoRa | Mode U - LoRa (SF 6, BW 125, 15.625 bps) | active |  | - |
| Foresail-1 (OH2F1S) | - | 437.125 | MSK AX.100 Mode 5 | Mode U - GMSK 19k2 TLM | re-entered |  | - |
| Foresail-1 (OH2F1S) | 437.125 | 437.125 | MSK AX.100 Mode 5 | Mode U/U - GMSK 9k6 TLM | re-entered |  | - |
| Foresail-1p (OH2F1S) | 437.125 | 437.125 | FSK | U/U 9k6 Skylink Digipeater | active |  | - |
| Foresail-1p (OH2F1S) | - | 437.125 | FSK | MODE U - GMSK 9k6 TLM | active |  | - |
| ForgeStar-1 | - | 2260.990 | FM | Mode S - Transmitter 1 | active |  | - |
| ForgeStar-1 | - | 2262.130 | FM | Mode S - Transmitter 2 | active |  | - |
| FORMOSAT 7-1 | - | 400.900 | CW | Downlink | active |  | - |
| FORMOSAT 7-2 | - | 400.900 | CW | Downlink | active |  | - |
| FORMOSAT 7-2 | - | 2264.000 | FM | Mode S TT&C | active |  | - |
| FORMOSAT 7-2 | - | 2200.270 | FM | Mode S2 | active |  | - |
| FORMOSAT 7-3 | - | 400.900 | CW | Downlink | active |  | - |
| FORMOSAT 7-4 | - | 400.900 | CW | CW | active |  | - |
| FORMOSAT 7-4 | - | 2264.000 | FM | Mode S TT&C | active |  | - |
| FORMOSAT 7-4 | - | 2200.270 | FM | Mode S2 | active |  | - |
| FORMOSAT 7-5 | - | 400.900 | CW | Downlink | active |  | - |
| FORMOSAT 7-6 | - | 400.900 | CW | Downlink | active |  | - |
| FORMOSAT-5 (2017-049A) | - | 401.051 | FM | Downlink | active |  | - |
| FORMOSAT-5 (2017-049A) | - | 2215.000 | FM | Mode S | active |  | - |
| FORTE (Fast On-orbit Rapid Recording of Transient Events) | - | 401.568 | CW | CW | active |  | - |
| FORTE (Fast On-orbit Rapid Recording of Transient Events) | - | 401.570 | BPSK | TLM U | active |  | - |
| FossaSat 1 | - | 436.700 | BPSK | Mode U RTTY Downlink - BPSK1k2 | re-entered |  | - |
| FossaSat 1 | - | 436.700 | LoRa | Mode U LoRa | re-entered |  | - |
| FOSSASAT-1B | - | 436.700 | LoRa | Mode U - Lora 125kbps SF11 | re-entered |  | - |
| FOSSASAT-1B | - | 436.800 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| FOSSASAT-1B | - | 436.800 | CW | Mode U - CW | re-entered |  | - |
| FOSSASAT-1B | - | 436.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| FOSSASAT-1B | - | 436.800 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| FOSSASAT-1B | - | 436.800 | CW | Mode U - CW | re-entered |  | - |
| FOSSASAT-2 | - | 436.700 | LoRa | Mode U - Lora 125kbps SF11 | re-entered |  | - |
| FOSSASAT-2 | - | 436.900 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| FOSSASAT-2 | - | 436.900 | CW | Mode U - CW | re-entered |  | - |
| FOSSASAT-2E11 | - | 401.700 | GFSK | GFSK9K6 | re-entered |  | - |
| FOSSASAT-2E11 | - | 401.700 | LoRa | 401.7 LoRa | re-entered |  | - |
| FOSSASAT-2E12 | - | 401.700 | GFSK | GFSK9K6 | re-entered |  | - |
| FOSSASAT-2E12 | - | 401.700 | LoRa | 401.7 LoRa | re-entered |  | - |
| FOSSASAT-2E18 | - | 401.700 | LoRa | Mode U - LoRa | active |  | - |
| FOSSASAT-2E19 | - | 401.700 | LoRa | Mode U - LoRa | active |  | - |
| FOSSASAT-2E20 | - | 401.700 | LoRa | Mode U - LoRa | active |  | - |
| FOSSASAT-2E21 | - | 401.700 | LoRa | Mode U - LoRa | active |  | - |
| FossaSat-2E5 | - | 401.700 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| FossaSat-2E5 | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| FossaSat-2E6 | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| FossaSat-2E6 | - | 401.700 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| FOSSASAT-FEROX 14 (PlatziSat-1) | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| FOSSASAT-FEROX 15 | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| FOSSASAT-FEROX 15 | - | 401.700 | GFSK | Mode U - 9K6 GFSK | re-entered |  | - |
| FOSSASAT-FEROX 16 | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| FOSSASAT-FEROX 17 | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| FOX-1A (AO-85) | 435.180 | 145.980 | FM | FM Transponder | inactive |  | - |
| FOX-1A (AO-85) | 435.172 | 145.979 | FM | FM Transponder (current) | inactive |  | - |
| FOX-1A (AO-85) | - | 145.979 | DUV | DUV TLM | inactive |  | - |
| FOX-1C (AO-95Fox-1Cliff) | - | 145.920 | DUV | DUV TLM | active |  | - |
| FOX-1C (AO-95Fox-1Cliff) | - | 145.920 | AFSK | AFSK9k6 digital data | active |  | - |
| FOX-1C (AO-95Fox-1Cliff) | 435.300 | 145.920 | FM | U/V FM | inactive |  | - |
| FOX-1C (AO-95Fox-1Cliff) | 1267.300 | 145.920 | FM | L/V FM | inactive |  | - |
| FOX-1D (AO-92) | 435.350 | 145.880 | FM | MODE U/V FM VOICE CTCSS 67.0Hz | re-entered |  | - |
| FOX-1D (AO-92) | - | 145.880 | DUV | DUV TLM | re-entered |  | - |
| FOX-1D (AO-92) | 1267.350 | 145.880 | FM | MODE L/V VOICE CTCSS 67.0Hz | re-entered |  | - |
| FOX-1E (AO-109RADFXSAT-2) | - | 435.750 | BPSK | Mode U - BPSK1k2 Beacon | re-entered |  | - |
| FOX-1E (AO-109RADFXSAT-2) | 145.860 - 145.890 | 435.760 - 435.790 | USB | Mode V/U Transponder | re-entered |  | - |
| Fram2 | - | 437.550 | FM | Mode U - FM - Fram2Ham | re-entered |  | - |
| Fram2 | - | 437.550 | SSTV | Mode U - SSTV Robot36 - Fram2Ham | re-entered |  | - |
| FRAMSAT-1 (FS-1) | - | 435.141 | FSK AX.25 G3RUH | UHF 9k6 BFSK | re-entered |  | - |
| FRAMSAT-1 (FS-1) | - | 435.141 | FSK | Mode U - FSK9k6 - AX.25 G3RUH | future |  | - |
| FREEDOM | - | 437.525 | AFSK | 1k2 AFSK TLM | re-entered |  | - |
| FREEDOM | - | 437.525 | CW | CW TLM | re-entered |  | - |
| FSI-SAT 1 (JS1YJV) | - | 437.175 | AFSK | Mode U - AFSK1k2 - AX.25 | re-entered |  | - |
| FSI-SAT 1 (JS1YJV) | - | 437.175 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| FSI-SAT 1 (JS1YJV) | - | 437.175 | CW | Mode U - CW | re-entered |  | - |
| FSI-SAT 1 (JS1YJV) | - | 437.175 | SSTV | Mode U - SSTV | re-entered |  | - |
| FUSSION-1 | - | 2277.300 | FM | Mode S - Transmitter | active |  | - |
| FUSSION-1 | - | 922.000 | FM | Mode U - Transmitter | active |  | - |
| FUSSION-1 | - | 8055.000 | FM | Mode X - Transmitter | active |  | - |
| FUTABA | - | 437.375 | CW | Mode U - CW Beacon | re-entered |  | - |
| FUTABA | - | 437.375 | AFSK | Mode U - AFSK1k2 TLM | re-entered |  | - |
| GAGARINEC (RS85S) | - | 436.000 | GMSK USP | Mode U - GMSK4k8 | re-entered |  | - |
| GaindeSat-1A (GaindéSat-1A) | - | 401.800 | FSK AX.100 Mode 5 | Mode U - FSK2k4 - Downlink | re-entered |  | - |
| GALAPAGOS-UTE-SWSU (HC1PX) | - | 437.050 | AFSK | Mode U - AFSK 1143 Beacon TLM | active |  | - |
| GALAPAGOS-UTE-SWSU (HC1PX) | - | 435.750 | FSK | Mode U - FSK2k4 | active |  | - |
| GALAPAGOS-UTE-SWSU (HC1PX) | - | 437.050 | SSTV | Mode U - SSTV | active |  | - |
| GALASSIA | - | 145.800 | GMSK | Telemetry Beacon | re-entered |  | - |
| GALASSIA | - | 436.400 | AFSK | Mode U - AFSK4k8 Telemetry Beacon | re-entered |  | - |
| GALASSIA-2 | - | 436.400 | FSK AX.100 Mode 5 | Mode U - Transmitter | active |  | - |
| Gama Alpha | - | 2208.000 | BPSK | S-band telemetry | re-entered |  | - |
| Gama Alpha | - | 401.050 | FM | Mode U - Transmitter | re-entered |  | - |
| GAOFEN 1 (2013-018A) | - | 2235.128 | BPSK | S-band telemetry | active |  | - |
| GAOFEN 2 (2014-049A) | - | 2212.563 | BPSK | s-band wider TX | active |  | - |
| Gaofen 3 (2016-049A) | - | 2215.916 | FM | S-band telemetry | active |  | - |
| GAOFEN 3 02 (2021-109A) | - | 2212.085 | FM | S-band telemetry | active |  | - |
| GAOFEN 3 03 (2022-035A) | - | 2208.240 | FM | S-band telemetry | active |  | - |
| GAOFEN 6 (2018-048A) | - | 2205.474 | FM | S-band telemetry | active |  | - |
| GAOFEN 7 (2019-072A) | - | 400.450 | LoRa | LoRa | active |  | - |
| GAOFEN 7 (2019-072A) | - | 2202.478 | BPSK | Telemetry | active |  | - |
| GAOFEN 7 (2019-072A) | - | 2251.817 | BPSK | S-band telemetry | active |  | - |
| GAOFEN 8 (2015-030A) | - | 2280.000 | FM | S-band telemetry | active |  | - |
| GAOFEN DUOMO (2020-042A) | - | 2283.116 | FM | S-band telemetry | active |  | - |
| GAOFEN-5 02 (2021-079A) | - | 2230.317 | BPSK | S-band telemetry | active |  | - |
| Garai-A (2025-009AC) | - | 2241.000 | BPSK | S-band telemetry | active |  | - |
| GASPACS | - | 437.365 | GFSK | Mode U - GFSK9k6 AX.25 | re-entered |  | - |
| GASPACS | - | 435.000 | GFSK | Factory Reset Frequency - GFSK9k6 AX.25 | re-entered |  | - |
| GCOM W1 (2012-025A) | - | 2220.000 | FM | S-band telemetry | active |  | - |
| GCOM-C (2017-082A) | - | 2220.000 | BPSK | S-band telemetry | active |  | - |
| GEISAT PRECURSOR | - | 401.400 | FM | Telemetry | active |  | - |
| GENESIS-G (ASTROLAND-1) | - | 436.888 | FM | Mode U - FM Beacon | re-entered |  | - |
| GENESIS-G (ASTROLAND-1) | 145.875 | 436.888 | FM | Mode V/U - FM voice | re-entered |  | - |
| GENESIS-G (ASTROLAND-1) | 145.875 | 436.888 | FSK | Mode V/U - FSK 50bps | re-entered |  | - |
| GENESIS-G (ASTROLAND-1) | - | 436.888 | CW | Mode U - CW | re-entered |  | - |
| GENESIS-J (ASTROLAND-2) | - | 436.666 | FM | Mode U - FM Beacon | re-entered |  | - |
| GENESIS-J (ASTROLAND-2) | 145.925 | 436.666 | FM | Mode V/U - FM voice | re-entered |  | - |
| GENESIS-J (ASTROLAND-2) | 145.925 | 436.666 | FSK | Mode V/U - FSK 50bps | re-entered |  | - |
| GENESIS-J (ASTROLAND-2) | - | 436.666 | CW | Mode U - CW | re-entered |  | - |
| GENESIS-L | - | 436.875 | ASK | Mode U - ASK50 | re-entered |  | - |
| GENESIS-L | - | 436.875 | CW | Mode U - CW Beacon | re-entered |  | - |
| GENESIS-N | - | 436.880 | ASK | Mode U - ASK50 | re-entered |  | - |
| GENESIS-N | - | 436.880 | CW | Mode U - CW Beacon | re-entered |  | - |
| GENMAT-1 | - | 2245.000 | GFSK | Mode S - Transmitter | active |  | - |
| GEOSAT | - | 400.032 | CW | CW | active |  | - |
| GEOSAT | - | 150.013 | CW | Mode V - CW Beacon | active |  | - |
| Geoscan-1 (Геоскан-1) | - | 435.970 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Ham Payload (Geoscan framing) | active |  | - |
| Geoscan-2 (Геоскан-2) | - | 436.160 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Ham Payload (Geoscan framing) | active |  | - |
| Geoscan-3 (Геоскан-3) | - | 435.740 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Ham Payload (Geoscan framing) | active |  | - |
| Geoscan-4 (Геоскан-4) | - | 435.335 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Ham Payload (Geoscan framing) | active |  | - |
| Geoscan-5 (Геоскан-5) | - | 436.660 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Ham Payload (Geoscan framing) | active |  | - |
| Geoscan-6 (Геоскан-6) | - | 436.940 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Ham Payload (Geoscan framing) | active |  | - |
| Geoscan-Edelveis (RS20S) | - | 10498.000 | GFSK | Mode X - GFSK 125kb (shifted) | re-entered |  | - |
| Geoscan-Edelveis (RS20S) | - | 10498.000 | CW | Mode X CW Carrier (shifted) | re-entered |  | - |
| Geoscan-Edelveis (RS20S) | - | 10492.000 | CW | Mode X CW Carrier | re-entered |  | - |
| Geoscan-Edelveis (RS20S) | - | 10492.000 | GFSK | Mode X - GFSK 125kb | re-entered |  | - |
| Geoscan-Edelveis (RS20S) | - | 436.200 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| GeoStare (TYVAK-61C) | - | 401.040 | FM | Downlink | re-entered |  | - |
| GESAT GEN1 | - | 2287.525 | FM | Mode S - Transmitter 1 | active |  | - |
| GESAT GEN1 | - | 2289.575 | FM | Mode S - Transmitter 2 | active |  | - |
| GESAT GEN1 | - | 8366.500 | FM | Mode X - Transmitter | active |  | - |
| GHALIB | - | 401.180 | BPSK | Mode U - BPSK1k2 - Downlink | re-entered |  | - |
| Ghost 5 (20224-043AJ) | - | 400.503 | FSK | Telemetry | active |  | - |
| Ghost-1 | - | 400.500 | FSK | Mode U - Transmitter | active |  | - |
| GHOST-2 | - | 400.500 | FSK | Mode U - GFKS38k4 | re-entered |  | - |
| GHOST-3 | - | 400.500 | GFSK | Mode U - GFSK38k4 - TT&C downlink | active |  | - |
| GHOST-4 | - | 400.500 | FSK | LoRa | active |  | - |
| GHRCESAT (UNITYSAT2) | - | 437.500 | AM | Mode U - AM/OOK | re-entered |  | - |
| GHRCESAT (UNITYSAT2) | - | 436.000 | LoRa | Mode U - LoRa | re-entered |  | - |
| GHS-01 (Raichō(らいちょう)) | - | 437.090 | CW | CW | re-entered |  | - |
| GHS-01 (Raichō(らいちょう)) | - | 437.090 | AFSK | 1k2 AFSK Telemetry | re-entered |  | - |
| GHS-01 (Raichō(らいちょう)) | - | 437.090 | GMSK | 9k6 GMSK Photo Downlink (over footprint of Gifu ground station only) | re-entered |  | - |
| GHS-01 (Raichō(らいちょう)) | - | 437.090 | FM | Digitalker | re-entered |  | - |
| GITAI-SC1 (SC1) | - | 2264.000 | FSK | Mode S - FSK 32Kbps - Transmitter | active |  | - |
| GITAI-SC1 (SC1) | - | 8200.000 | QPSK | Mode X - QPSK 4Mbps | active |  | - |
| GLOBAL 31 (2025-033B) | - | 400.945 | FM | Telemetry | active |  | - |
| GLOBAL 32 | - | 401.500 | FM | Mode U - Transmitter | active |  | - |
| GLOBAL-1 (BlackSky 1) | - | 401.498 | BPSK | UHF Unknown | re-entered |  | - |
| GLOBAL-12 (BlackSky 12) | - | 401.435 | BPSK | UHF Unknown | active |  | - |
| GLOBAL-13 (BlackSky 13) | - | 401.375 | FM | Telemetry | active |  | - |
| GLOBAL-13 (BlackSky 13) | - | 401.223 | BPSK | UHF Unknown | inactive |  | - |
| GLOBAL-13 (BlackSky 13) | - | 400.876 | FM | Telemetry | inactive |  | - |
| Global-14 | - | 400.875 | FM | Telemetry | active |  | - |
| Global-14 | - | 401.155 | FM | UHF Unknown | inactive |  | - |
| Global-15 (2021-106B) | - | 400.875 | FM | Telemetry | re-entered |  | - |
| GLOBAL-16 (BlackSky 14) | - | 401.150 | BPSK | UHF Unknown | active |  | - |
| GLOBAL-17 | - | 400.875 | FM | Telemetry | active |  | - |
| GLOBAL-18 (2022-034B) | - | 401.225 | BPSK | UHF Unknown | active |  | - |
| GLOBAL-18 (2022-034B) | - | 400.875 | FM | Telemetry | active |  | - |
| GLOBAL-18 (2022-034B) | - | 401.085 | FM | Telemetry | active |  | - |
| GLOBAL-19 | - | 401.015 | FM | UHF Unknown | active |  | - |
| GLOBAL-2 (BlackSky Global 2) | - | 400.749 | FM | Mode U - Possibly Downlink | active |  | - |
| GLOBAL-2 (BlackSky Global 2) | - | 401.500 | FM | Downlink Mode U | active |  | - |
| GLOBAL-20 (BlackSky 17) | - | 400.875 | BPSK | UHF Unknown | re-entered |  | - |
| GLOBAL-20 (BlackSky 17) | - | 401.225 | BPSK | uhf Unknown | re-entered |  | - |
| GLOBAL-4 (BlackSky Global 4) | - | 401.500 | FM | Downlink | active |  | - |
| Global-7 (BlackSky 5) | - | 401.375 | FM | UHF Unknown | re-entered |  | - |
| GLOBAL-8 (BlackSky 6) | - | 401.373 | BPSK | UHF Unknown | re-entered |  | - |
| GLOBAL-8 (BlackSky 6) | - | 401.226 | FM | Telemetry | re-entered |  | - |
| GLOBAL-9 (BlackSky 7) | - | 401.500 | BPSK | UHF Unknown | active |  | - |
| GLOBAL-9 (BlackSky 7) | - | 400.876 | FM | Telemetry | active |  | - |
| GNA-3 | - | 2219.000 | FM | Mode S - Transmitter | active |  | - |
| GNOMES-3 | - | 2282.450 | BPSK | S-band telemetry | active |  | - |
| GNOMES-5 | - | 8260.000 | FM | Mode X - Transmitter | active |  | - |
| GOES-16 | - | 1694.100 | FM | HRIT (1694.1MHz) | active |  | - |
| GOES-16 | - | 1686.600 | FM | GRB (1686.6MHz) | active |  | - |
| GOES-16 | - | 1693.000 | BPSK | CDA (1693MHz) | active |  | - |
| GOES-16 | - | 1544.550 | FM | SARSAT - L-Band | active |  | - |
| GOES-17 (GOES-West) | - | 148.545 | FM | Downlink | active |  | - |
| GOES-17 (GOES-West) | - | 468.775 | FM | Mode U TLM | active |  | - |
| GOES-17 (GOES-West) | - | 1544.550 | BPSK | SARSAT L-band | active |  | - |
| GOES-17 (GOES-West) | - | 1693.000 | FM | CDA | active |  | - |
| GOES-17 (GOES-West) | - | 468.825 | FM | DCPD | active |  | - |
| GOES-17 (GOES-West) | - | 1694.100 | BPSK PMT-A3 | DCP | active |  | - |
| GOES-17 (GOES-West) | - | 2211.040 | PSK | SARSAT to LUT | active |  | - |
| GOES-17 (GOES-West) | - | 1692.700 | OQPSK | EMWIN | active |  | - |
| GOES-18 (GOES-T) | - | 1686.600 | FM | Mode L - GRB | active |  | - |
| GOES-18 (GOES-T) | - | 1694.100 | FM | Mode L - HRIT | active |  | - |
| GOES-18 (GOES-T) | - | 1693.000 | FM | Mode L - CDA | active |  | - |
| GOES-18 (GOES-T) | - | 2211.040 | FM | Mode S - TTC | active |  | - |
| GOES-18 (GOES-T) | - | 1544.550 | FM | Mode L SARSAT to LUT | active |  | - |
| GOES-18 (GOES-T) | - | 1679.900 | FM | Mode L - DCP Relay US | active |  | - |
| GOES-18 (GOES-T) | - | 468.775 | FM | Mode U - DCP Command 1 | active |  | - |
| GOES-19 (GOES-East) | - | 16941.000 | FM | HRIT | active |  | - |
| GOES-19 (GOES-East) | - | 1681.600 | FM | GRB | active |  | - |
| GOES-19 (GOES-East) | - | 1693.000 | BPSK | CDA | active |  | - |
| GOES-19 (GOES-East) | - | 1694.100 | FM | HRIT | active |  | - |
| GOMX 1 (GATOSS) | - | 437.253 | CW | PE0SAT - CW Beacon | inactive |  | - |
| GOMX 1 (GATOSS) | - | 8198.000 | FM | Mode X (8MHz) | active |  | - |
| GOMX 1 (GATOSS) | - | 437.250 | GMSK | 4k8 GMSK | active |  | - |
| GOMX-3 | - | 437.250 | GMSK | Mode U TLM | re-entered |  | - |
| GOMX4-A | - | 400.800 | FSK AX.100 Mode 5 | FSK | re-entered |  | - |
| GOMX4-B | - | 400.800 | FSK AX.100 Mode 5 | FSK | re-entered |  | - |
| GONETS M 10 | - | 388.687 | FM | UHF Unknown | active |  | - |
| GONETS M 10 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS M 11 | - | 387.062 | FM | UHF Unknown | active |  | - |
| GONETS M 11 | - | 387.625 | FM | UHF Unknown | active |  | - |
| GONETS M 11 | - | 387.837 | FM | UHF Unknown | active |  | - |
| GONETS M 11 | - | 264.981 | FM | Telemetry | active |  | - |
| GONETS M 12 | - | 387.062 | FM | UHF Unknown | active |  | - |
| GONETS M 12 | - | 387.625 | FM | UHF Unknown | active |  | - |
| GONETS M 12 | - | 387.837 | FM | UHF Unknown | active |  | - |
| GONETS M 12 | - | 266.951 | FM | Telemetry | active |  | - |
| GONETS M 13 | - | 387.062 | FM | UHF Unknown | active |  | - |
| GONETS M 13 | - | 387.625 | FM | UHF Unknown | active |  | - |
| GONETS M 13 | - | 387.837 | FM | UHF Unknown | active |  | - |
| GONETS M 13 | - | 265.059 | FM | Telemetry | active |  | - |
| GONETS M 15 | - | 387.462 | FM | UHF Unknown | active |  | - |
| GONETS M 16 | - | 387.650 | FM | UHF Unknown | active |  | - |
| GONETS M 17 | - | 387.175 | FM | UHF Unknown | active |  | - |
| GONETS M 17 | - | 387.775 | FM | UHF Unknown | active |  | - |
| GONETS M 17 | - | 388.687 | FM | UHF Unknown | active |  | - |
| GONETS M 17 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS M 18 | - | 387.175 | FM | UHF Unknown | active |  | - |
| GONETS M 18 | - | 387.774 | FM | UHF Unknown | active |  | - |
| GONETS M 19 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS M 20 | - | 388.687 | FM | UHF Unknown | active |  | - |
| GONETS M 20 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS M 20 | - | 262.910 | FM | UHF Unknown | active |  | - |
| GONETS M 21 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS M 21 | - | 262.910 | FM | UHF Unknown | active |  | - |
| GONETS M 22 | - | 388.687 | FM | UHF Unknown | active |  | - |
| GONETS M 22 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS M 22 | - | 262.910 | FM | UHF Unknown | active |  | - |
| GONETS M 5 | - | 387.175 | FM | UHF Unknown | active |  | - |
| GONETS M 5 | - | 387.462 | FM | UHF Unknown | active |  | - |
| GONETS M 5 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS M 5 | - | 388.687 | FM | UHF Unknown | active |  | - |
| GONETS M 7 | - | 387.450 | FM | UHF Unknown | active |  | - |
| GONETS M 7 | - | 388.675 | FM | UHF Unknown | active |  | - |
| GONETS M 7 | - | 388.775 | FM | UHF Unknown | active |  | - |
| GONETS-M 23 | - | 387.175 | FM | UHF Unknown | active |  | - |
| GONETS-M 23 | - | 387.775 | FM | UHF Unknown | active |  | - |
| GONETS-M 23 | - | 388.687 | FM | UHF Unknown | active |  | - |
| GONETS-M 23 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS-M 24 | - | 388.500 | FM | UHF Unknown | active |  | - |
| GONETS-M 24 | - | 387.775 | FM | UHF Unknown | active |  | - |
| GONETS-M 24 | - | 388.687 | FM | UHF Unknown | active |  | - |
| GONETS-M 24 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS-M 24 | - | 262.910 | FM | UHF Unknown | active |  | - |
| GONETS-M 25 | - | 387.175 | FM | UHF Unknown | active |  | - |
| GONETS-M 25 | - | 388.687 | FM | UHF Unknown | active |  | - |
| GONETS-M 25 | - | 388.787 | FM | UHF Unknown | active |  | - |
| GONETS-M 25 | - | 262.910 | FM | UHF Unknown | active |  | - |
| GOSAT (IBUKI) (2009-002A) | - | 2220.000 | FM | S-band telemetry | active |  | - |
| Gossamer Piccolomini | - | 917.500 | LoRa | Mode U - FM | active |  | - |
| GPM (2014-009C) | - | 2287.501 | FM | S-band telemetry | active |  | - |
| GRBAlpha (OM9GRB) | - | 437.025 | GFSK | Mode U - GFSK9k6 - AX.25 G3RUH | re-entered |  | - |
| GRBAlpha (OM9GRB) | 437.025 | 437.025 | GFSK | Mode U/U - GFSK9k6 Digipeater | re-entered |  | - |
| GRBAlpha (OM9GRB) | - | 437.025 | CW | Mode U - CW Beacon | re-entered |  | - |
| GRBBeta (HA2GRB) | - | 145.935 | GFSK | Mode V - GFSK9k6 - AX.25 | active |  | - |
| GRBBeta (HA2GRB) | - | 436.785 | GFSK | Mode U - GFSK9k6 - AX.25 | active |  | - |
| GRBBeta (HA2GRB) | - | 2405.000 | FSK | Mode S - FSK100k - MRC-100 | active |  | - |
| GRBBeta (HA2GRB) | - | 436.785 | CW | Mode U - CW | active |  | - |
| GREEN DIAMOND | - | 401.150 | FSK AX.100 Mode 5 | Downlink | re-entered |  | - |
| GREENCUBE (IO-117) | - | 435.310 | FSK AX.100 Mode 5 | Mode U TLM 4k8 GMSK | dead |  | - |
| GREENCUBE (IO-117) | - | 435.310 | FSK AX.100 Mode 5 | Mode U TLM 1k2 GMSK | dead |  | - |
| GREENCUBE (IO-117) | - | 435.310 | FSK AX.100 Mode 5 | Mode U - FSK 300 AX.100 | dead |  | - |
| GREENCUBE (IO-117) | 435.310 | 435.310 | FSK AX.100 Mode 5 | Mode U PKT 1k2 GMSK | dead |  | - |
| GREGOIRE (Grégoire) | - | 2223.000 | FM | Mode S - Transmitter | active |  | - |
| GREGOIRE (Grégoire) | - | 8320.000 | FM | Mode X - Transmitter | active |  | - |
| GRIFEX | - | 437.485 | FSK | Mode U - GMSK 9k6 AX.25 | re-entered |  | - |
| Grifon-1 (Grifon1) | - | 401.315 | LoRa | LoRa 2W 401,315 MHz SF=9 BW=125 kHz | active |  | - |
| Grifon-2 (Grifon2) | - | 401.315 | LoRa | LoRa 2W 401,315 MHz SF=10 BW=125 kHz | active |  | - |
| Grifon-3 (Grifon3) | - | 401.400 | LoRa | LoRa 2W 401,400 MHz SF=9 BW=125 kHz | active |  | - |
| Grifon-4 (Grifon4) | - | 401.400 | LoRa | LoRa 2W 401,400 MHz SF=10 BW=125 kHz | active |  | - |
| Grizu-263A | - | 437.190 | FSK | Mode U - FSK4k8 | re-entered |  | - |
| Grizu-263A | - | 435.675 | FSK | Mode U - FSK2k4 | re-entered |  | - |
| GRUS-1A (2018-111Q) | - | 2275.900 | FM | S-band telemetry | active |  | - |
| GRUS-1B (2021-022C) | - | 401.416 | FM | Telemetry | active |  | - |
| GRUS-1B (2021-022C) | - | 2275.900 | BPSK | S-band telemetry | active |  | - |
| GRUS-1C (2021-022B) | - | 2275.900 | FM | S-band telemetry | active |  | - |
| GRUS-1D (2021-022E) | - | 2275.900 | FM | S-band telemetry | active |  | - |
| GRUS-1D (2021-022E) | - | 2275.900 | FM | S-band telemetry | active |  | - |
| GRUS-3 ALPHA (2025-135BD) | - | 2275.900 | FM | S-band telemetry | active |  | - |
| GT-1 | - | 437.175 | FSK | Mode U - FSK9k6 AX.25 G3RUH | re-entered |  | - |
| GuaraniSat-1 (GuaraníSat-1) | - | 145.825 | AFSK | Mode U - AFSK1k2 APRS | re-entered |  | - |
| GuaraniSat-1 (GuaraníSat-1) | - | 437.375 | FSK | Mode U - FSK4k8 AX25 G3RUH | re-entered |  | - |
| GuaraniSat-1 (GuaraníSat-1) | - | 437.375 | CW | Mode U - CW Beacon | re-entered |  | - |
| Guardian - Alpha | - | 401.500 | FM | Mode U - TLM | inactive |  | - |
| GXIBA-1 | - | 437.300 | MSK AX.100 Mode 5 | 9k6 AX100 | active |  | - |
| H2SAT (Heinrich Hertz) | - | 2285.972 | FM | Mode S - Center | active |  | - |
| HADES (SO-115) | - | 436.888 | CW | Mode U - CW Beacon | re-entered |  | - |
| HADES (SO-115) | - | 436.888 | FM | Mode U - FM Vocoder | re-entered |  | - |
| HADES (SO-115) | - | 436.888 | SSTV | Mode U - SSTV Robot 36 | re-entered |  | - |
| HADES (SO-115) | - | 436.888 | FSK | Mode U - FSK50 Telemetry and experiments | re-entered |  | - |
| HADES (SO-115) | 145.925 | 436.888 | FM | Mode V/U - FM Transceiver | re-entered |  | - |
| HADES (SO-115) | 145.925 | 436.888 | FSK | Mode V/U - FSK50 Transceiver | re-entered |  | - |
| HADES-D (SO-121) | 145.875 | 436.666 | FSK | Mode V/U - FSK50 Transceiver | re-entered |  | - |
| HADES-D (SO-121) | - | 436.666 | CW | Mode U - CW Beacon | re-entered |  | - |
| HADES-D (SO-121) | - | 436.666 | FM | Mode U - FM Vocoder | re-entered |  | - |
| HADES-D (SO-121) | - | 436.666 | FSK | Mode U - FSK50 Telemetry | re-entered |  | - |
| HADES-D (SO-121) | 145.875 | 436.663 | FM | Mode V/U - FM Transceiver | re-entered |  | - |
| HADES-ICM (SO-125) | - | 436.666 | FSK | Mode U - FSK2k4 - Telemetry | inactive |  | - |
| HADES-ICM (SO-125) | 145.875 | 436.666 | AFSK | Mode V/U APRS 1k2 | inactive |  | - |
| HADES-ICM (SO-125) | 145.875 | 436.666 | FSK | Mode V/U - FSK200 Transceiver | inactive |  | - |
| HADES-ICM (SO-125) | - | 436.666 | FM | Mode U - FM Vocoder | inactive |  | - |
| HADES-ICM (SO-125) | 145.875 | 436.666 | AFSK | Mode V/U APRS 2k4 | inactive |  | - |
| HADES-ICM (SO-125) | - | 436.666 | CW | Mode U - CW Beacon | active |  | - |
| HADES-ICM (SO-125) | - | 436.666 | FSK | Mode U - FSK 200 | active |  | - |
| HADES-ICM (SO-125) | - | 436.666 | BPSK | Mode U - TLM Sideband replay | active |  | - |
| HADES-ICM (SO-125) | 145.875 | 436.666 | FM | Mode V/U - FM Transceiver | active |  | - |
| HADES-R (SO-124) | - | 436.888 | FSK | Mode U - FSK2k4 - Telemetry | re-entered |  | - |
| HADES-R (SO-124) | 145.925 | 436.888 | AFSK | Mode V/U APRS 2k4 | re-entered |  | - |
| HADES-R (SO-124) | 145.925 | 436.888 | AFSK | Mode V/U APRS 1k2 | re-entered |  | - |
| HADES-R (SO-124) | 145.925 | 436.888 | FSK | Mode V/U - FSK200 Transceiver | re-entered |  | - |
| HADES-R (SO-124) | - | 436.888 | FM | Mode U - FM Vocoder | re-entered |  | - |
| HADES-R (SO-124) | - | 436.888 | USB | Mode U - FSK200 Telemetry | re-entered |  | - |
| HADES-R (SO-124) | - | 436.887 | CW | Mode U - CW Beacon | re-entered |  | - |
| HADES-R (SO-124) | 145.925 | 436.888 | FM | Mode V/U - FM Transceiver | re-entered |  | - |
| Haisi 1 (Hisea 1) | - | 401.662 | FM | Downlink | re-entered |  | - |
| HAIYANG 1C (2018-068A) | - | 2210.167 | FM | S-band telemetry | active |  | - |
| HAIYANG 2A (2011-043A) | - | 2228.392 | FM | S-band telemetry | active |  | - |
| Haiyang 2B (2018-081A) | - | 2247.127 | FM | S-band telemetry | active |  | - |
| HAIYANG 2D (2021-043A) | - | 2237.041 | FM | S-band telemetry | active |  | - |
| HAIYANG 4A (2024-208A) | - | 2220.000 | FM | S-band telemetry | active |  | - |
| Haiyang-1B (HY-1B) | - | 2273.500 | BPSK | S-Band 9k6 BPSK Experimental | active |  | - |
| Haiyang-1B (HY-1B) | - | 2273.500 | BPSK | S-Band DBPSK | active |  | - |
| HAIYANG-2C | - | 2202.720 | BPSK | BPSK | active |  | - |
| HAIYANG-2C | - | 2216.719 | FM | S-band telemetry | active |  | - |
| HAMMER | - | 2263.466 | FM | Mode S | active |  | - |
| HAMSAT (VO-52) | - | 145.936 | CW | Indian Beacon | dead |  | - |
| HAMSAT (VO-52) | 435.220 - 435.280 | 145.870 - 145.930 | FMN | Indian U/V Lin | dead |  | - |
| HAMSAT (VO-52) | 435.225 - 435.275 | 145.875 - 145.925 | FMN | Dutch U/V Lin | dead |  | - |
| HAMSAT (VO-52) | - | 145.860 | CW | Dutch Beacon CW | dead |  | - |
| HAMSAT (VO-52) | - | 137.200 | PSK | Mode V - PSK Telemetry | dead |  | - |
| HARP | - | 468.000 | QPSK | Mode U QPSK | re-entered |  | - |
| HAVELSAT (TR02
ON02TR) | - | 436.845 | GMSK | TLM GMSK | re-entered |  | - |
| HAVELSAT (TR02
ON02TR) | - | 436.844 | CW | TLM CW | re-entered |  | - |
| HAVEN-DEMO | - | 400.575 | FM | Mode U - Transmitter 2 | active |  | - |
| HAVEN-DEMO | - | 400.500 | FM | Mode U - Transmitter 1 | active |  | - |
| Hayang 1D (2020-036A) | - | 2216.160 | FM | Mode S | active |  | - |
| HAYANG 3A (2023-176A) | - | 2226.962 | BPSK | S-band telemetry | active |  | - |
| Hayasat (Hayasat-1) | - | 437.020 | FSK | Mode U - FSK9k6 - Transmitter | re-entered |  | - |
| HCT-SAT1 | - | 436.200 | GMSK | UHF 9k6 Telemetry | active |  | - |
| HCT-SAT2 (MBRSC-2) | - | 436.300 | GMSK | UHF 9k6 Telemetry | active |  | - |
| HELIOS 2A (2004-049A) | - | 2206.542 | FM | S-band telemetry | active |  | - |
| Hello Test 1 | - | 401.075 | FSK | Mode U - Transmitter | active |  | - |
| Hello Test 1 | - | 2262.500 | FSK | S-Band link | active |  | - |
| Hello Test 2 | - | 401.075 | FSK | Mode U - Transmitter | active |  | - |
| Hello Test 2 | - | 2262.500 | FSK | S-Band link | active |  | - |
| HelloSpace SKYLINK-1 | - | 401.075 | FSK | Beacon | active |  | - |
| HelloSpace SKYLINK-2 | - | 401.075 | FSK | Beacon | active |  | - |
| HERMES H1 | - | 401.500 | GFSK | Mode U - Transmitter | active |  | - |
| HERMES H2 | - | 401.500 | GFSK | Mode U - Transmitter | active |  | - |
| HERMES H3 | - | 401.500 | GFSK | Mode U - Transmitter | active |  | - |
| HERMES H4 | - | 401.500 | GFSK | Mode U - Transmitter | active |  | - |
| HERMES H5 | - | 401.500 | GFSK | Mode U - Transmitter | active |  | - |
| HERMES H6 | - | 401.500 | GFSK | Mode U - Transmitter | active |  | - |
| HERON Mk. II (Heron Mark II) | 437.120 | 437.120 | GFSK | Mode U - GFSK9k6 - EnduroSat UHF Transceiver Type II | active |  | - |
| Hiapo | - | 437.225 | FSK | Mode U - FSK9k6 AX.25 | re-entered |  | - |
| HIBARI (2021-102F) | - | 2285.009 | GMSK | Mode S | active |  | - |
| HIBER-1 | - | 401.040 | BPSK | Downlink | re-entered |  | - |
| HIBER-2 | - | 401.440 | BPSK | IOT | active |  | - |
| HIBER-3 | - | 401.300 | BPSK | Downlink | re-entered |  | - |
| HIBER-4 | - | 401.150 | BPSK | Downlink | re-entered |  | - |
| HIBER-4 | - | 2235.487 | FM | S-band telemetry | re-entered |  | - |
| HILAT (P83-1) | - | 401.993 | CW | UHF Unknown | active |  | - |
| HILAT (P83-1) | - | 1239.084 | FM | Mode L Beacon | active |  | - |
| HILAT (P83-1) | - | 413.028 | FM | Mode U Beacon | active |  | - |
| HILAT (P83-1) | - | 390.082 | FM | 390 Beacon | active |  | - |
| HILAT (P83-1) | - | 137.676 | FM | Mode V | active |  | - |
| HILAT (P83-1) | - | 399.944 | FM | Telemetry below 400 MHz | active |  | - |
| HINCUBE | - | 437.305 | FM | Telem | active |  | - |
| Hinode (SOLAR B) (2006-041A) | - | 2256.219 | FM | S-band telemetry | active |  | - |
| HJ 2F | - | 2208.002 | BPSK | S-band telemetry | active |  | - |
| HJ-1A (Huan Jing-1A) | - | 2241.597 | BPSK | Telemetry | active |  | - |
| HJ-1B (Huan Jing-1B) | - | 2209.794 | BPSK | Telemetry | active |  | - |
| HJ-1B (Huan Jing-1B) | - | 8260.000 | FM | Mode X2 | active |  | - |
| HJ-1B (Huan Jing-1B) | - | 8140.000 | FM | Mode X1 | active |  | - |
| HJ-1C (Huan Jing-1C) | - | 2233.560 | BPSK | Telemetry | re-entered |  | - |
| HJ-2A (2020-067A) | - | 2237.522 | FM | S-band telemetry | active |  | - |
| HJ-2B (2020-067B) | - | 2243.278 | BPSK | S-band telemetry | active |  | - |
| HJ-2E (2022-132A) | - | 2203.202 | BPSK | BPSK | active |  | - |
| HJS-6B (2025-067B) | - | 2244.100 | FM | S-band telemetry | active |  | - |
| HOD-HOD (HODHOD) | - | 436.250 | LoRa | Mode U - Lora | active |  | - |
| HOD-HOD (HODHOD) | - | 437.350 | FM | Mode U - Transmitter 2 | active |  | - |
| HOD-HOD (HODHOD) | - | 144.225 | FM | Mode V - | active |  | - |
| HOD-HOD (HODHOD) | - | 401.650 | FM | Mode U - Transmitter 1 | active |  | - |
| HOD-HOD (HODHOD) | - | 2225.000 | FM | Mode S - Transmitter 1 | active |  | - |
| HOD-HOD (HODHOD) | - | 2228.000 | FM | Mode S - Transmitter 2 | active |  | - |
| HOD-HOD (HODHOD) | - | 2231.000 | FM | Mode S - Transmitter 3 | active |  | - |
| HOD-HOD (HODHOD) | - | 2234.000 | FM | Mode S - Transmitter 4 | active |  | - |
| HOD-HOD (HODHOD) | - | 436.250 | FSK | [Experiment] LoRa (62.5 kHz bandwidth) (as FSK) | active |  | - |
| HODOYOSHI 3 (2014-033F) | - | 2263.606 | FM | S-band telemetry | active |  | - |
| Hodoyoshi 4 (2014-033B) | - | 2263.592 | FM | Mode S Down | active |  | - |
| HODOYOSHI-1 | - | 467.674 | FM | Downlink | re-entered |  | - |
| HONGYAN 1 (2018-112F) | - | 2257.227 | FM | S-band telemetry | active |  | - |
| HOOPOE (IL01
ON01IL) | - | 437.740 | BPSK | TLM AX.25 BPSK | re-entered |  | - |
| HORACIO (2024-043A) | - | 401.202 | FM | Telemetry | active |  | - |
| Horizon (Горизонт) | - | 10474.000 | DVB-S2 | Mode X - DVB-S2 | active |  | - |
| Horizon (Горизонт) | - | 435.430 | CW | Mode U - CW | active |  | - |
| Horizon (Горизонт) | - | 435.430 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Telemetry (Geoscan framing) | active |  | - |
| Hors 1 (Хорс 1) | - | 435.300 | FSK | Mode U - FSK 9K6 | active |  | - |
| Hors 1 (Хорс 1) | - | 435.300 | FSK | Mode U - Transmitter | active |  | - |
| Hors 2 (Хорс 2) | - | 435.500 | FSK | Mode U - Transmitter | active |  | - |
| Hors 2 (Хорс 2) | - | 435.500 | FSK | Mode U - FSK38k4 | active |  | - |
| Hors 3 (RS81S) | - | 435.650 | FSK | Mode U - FSK38k4 | active |  | - |
| Hors 3 (RS81S) | - | 435.200 | FSK | Mode U - Telemetry | active |  | - |
| Hors 4 (RS82S) | - | 435.700 | FSK | Mode U - FSK38k4 | active |  | - |
| HORUS 1 (2023-025A) | - | 2207.280 | FM | S-band telemetry | active |  | - |
| HORUS 2 (2023-032A) | - | 2262.482 | FM | S-band telemetry | active |  | - |
| HORYU 2 | - | 437.375 | CW | CW TLM | active |  | - |
| HORYU-IV (JG6YBW) | - | 437.375 | CW | CW Beacon | active |  | - |
| HORYU-IV (JG6YBW) | - | 437.375 | AFSK | 1k2 AFSK TLM | active |  | - |
| HORYU-IV (JG6YBW) | - | 2400.300 | BPSK | S-Band TLM | active |  | - |
| HORYU-IV (JG6YBW) | - | 437.373 | CW | CW Beacon (current) | active |  | - |
| Hotsat-1 (2023-084Y) | - | 2240.000 | FM | S-band telemetry | active |  | - |
| HSKSAT | - | 437.275 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| HSKSAT | - | 437.275 | AFSK | Mode U - AFSK1k2 | re-entered |  | - |
| HSKSAT | - | 2400.300 | GMSK | Mode S - GMSK9k6 | re-entered |  | - |
| HSKSAT | - | 2400.300 | BPSK | Mode S - BPSK 100ksps | re-entered |  | - |
| HSU-SAT1 | - | 437.280 | CW | Mode U - CW Beacon | re-entered |  | - |
| HSU-SAT1 | - | 437.280 | SSTV | Mode U - SSTV | re-entered |  | - |
| HSU-SAT1 | - | 437.280 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| HSU-SAT1 | - | 437.280 | AFSK | Mode U - AFSK 1k2 TLM | re-entered |  | - |
| HUANGPU-1 | - | 401.800 | FM | Downlink | re-entered |  | - |
| Hubble-4 (Shaggy) | - | 2200.500 | FM | Mode S - Transmitter 1 | active |  | - |
| Hubble-4 (Shaggy) | - | 2022.500 | FM | Mode S - Transmitter 2 | active |  | - |
| Hubble-4 (Shaggy) | - | 401.100 | GMSK | Mode U - GMSK4k8 | inactive |  | - |
| Hubble-4 (Shaggy) | - | 402.790 | FSK | Mode U - FSK9k6 | active |  | - |
| Hubble-5 (Scooby) | - | 2200.500 | FM | Mode S - Transmitter 1 | active |  | - |
| Hubble-5 (Scooby) | - | 2022.500 | FM | Mode S - Transmitter 2 | active |  | - |
| Hubble-5 (Scooby) | - | 401.100 | GMSK | Mode U - GMSK4k8 | inactive |  | - |
| Hubble-5 (Scooby) | - | 402.790 | FSK | Mode U - FSK9k6 | active |  | - |
| Hubble-6 (Lilo) | - | 402.790 | FM | Mode U - Transmitter 2 | active |  | - |
| Hubble-6 (Lilo) | - | 2200.500 | FM | Mode S - Transmitter | active |  | - |
| Hubble-6 (Lilo) | - | 401.100 | GMSK | Mode U - GMSK4k8 | active |  | - |
| Hubble-7 (Stitch) | - | 402.790 | FM | Mode U - Transmitter 2 | active |  | - |
| Hubble-7 (Stitch) | - | 2200.500 | FM | Mode S - Transmitter | active |  | - |
| Hubble-7 (Stitch) | - | 401.100 | GMSK | Mode U - GMSK4k8 | active |  | - |
| HUMSAT-D | - | 437.325 | CW | CW Beacon | active |  | - |
| HUMSAT-D | - | 437.325 | AFSK | Mode U - AFSK U482C | active |  | - |
| HUNITY (NMHH-1) | - | 437.390 | GMSK | 12k5 GMSK TLM | active |  | - |
| HuskySat-1 (HS-1 HO-107 OSCAR 107) | - | 435.800 | BPSK | Mode U BPSK1k2 TLM | re-entered |  | - |
| HuskySat-1 (HS-1 HO-107 OSCAR 107) | - | 24049.000 | BPSK | Mode K Experimental BPSK 1Mbps | re-entered |  | - |
| HuskySat-1 (HS-1 HO-107 OSCAR 107) | 145.910 - 145.940 | 435.810 - 435.840 | LSB | Mode V/U Transponder | re-entered |  | - |
| HuskySat-1 (HS-1 HO-107 OSCAR 107) | 145.910 - 145.940 | 435.810 - 435.840 | CW | Mode V/U Transponder | re-entered |  | - |
| Huygens (Milspace2-1) | - | 401.500 | FM | Mode U - TLM | active |  | - |
| Huygens (Milspace2-1) | - | 2207.000 | BPSK | Wideband data (512000) | active |  | - |
| Huygens (Milspace2-1) | - | 2206.500 | BPSK | S-band telemetry | active |  | - |
| HXMT (HUIYAN) | - | 2216.391 | FM | FM downlink | active |  | - |
| HYDRA-2 | - | 401.320 | GMSK | UHF 9k6 Telemetry | active |  | - |
| HYDRA-T | - | 437.780 | FSK | TLM | re-entered |  | - |
| HYDRA-W | - | 437.780 | FSK | Mode U - FSK200 | active |  | - |
| HYDROGNSS-1 | - | 2243.333 | FM | Mode S - Transmitter 1 | active |  | - |
| HYDROGNSS-1 | - | 2240.000 | FM | Mode S - Transmitter 2 | active |  | - |
| HYDROGNSS-2 | - | 2243.333 | FM | Mode S - Transmitter 1 | active |  | - |
| HYDROGNSS-2 | - | 2240.000 | FM | Mode S - Transmitter 2 | active |  | - |
| HYPE | - | 437.400 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| HYPE | - | 437.400 | LoRa | Mode U - LoRa - SF 10, BW 125 kHz | re-entered |  | - |
| Hyperfield-1 | - | 8130.000 | FM | Mode X - Transmitter | active |  | - |
| Hyperfield-1 | - | 2248.300 | FM | Mode S - Transmitter | active |  | - |
| Hyperfield-1B | - | 2248.300 | FM | Mode S - Unknown modulation | active |  | - |
| Hyperfield-1B | - | 8130.000 | FM | Mode X - Transmitter | active |  | - |
| HyperView-1G (RS66S) | - | 436.540 | GMSK USP | Mode U - GMSK2k4 USP | active |  | - |
| HyperView-1G (RS66S) | - | 436.600 | GMSK USP | Mode U - GMSK2k4 USP | active |  | - |
| HyperView-1G (RS66S) | - | 10465.000 | DVB-S2 | Mode X - DVB-S2 | active |  | - |
| HYPSO-1 (Hyperspectral Satellite for Ocean Observation) | - | 400.575 | FM | Mode U - FM | active |  | - |
| HYPSO-1 (Hyperspectral Satellite for Ocean Observation) | - | 401.500 | FM | Mode U - FM | active |  | - |
| HYPSO-2 | - | 400.575 | FM | Mode U - Transmitter 1 | active |  | - |
| HYPSO-2 | - | 401.500 | FM | Mode U - Transmitter 2 | active |  | - |
| HYPSO-2 | - | 8200.000 | FM | Mode X - Transmitter | active |  | - |
| HYSIS (2018-096A) | - | 2245.000 | FM | Mode S Center | active |  | - |
| HYSIS (2018-096A) | - | 2262.862 | FM | Mode S STRF | active |  | - |
| HyTI (Hyperspectral Thermal Imager) | - | 2206.000 | FM | Mode S | re-entered |  | - |
| HyTI (Hyperspectral Thermal Imager) | - | 400.800 | FSK | Mode U - Transmitter | re-entered |  | - |
| HYVRID | - | 2404.750 | FM | Mode S - Transmitter | active |  | - |
| HYVRID | - | 436.500 | GFSK | Mode U - Transmitter | active |  | - |
| I-INSPIRE II (AU03 ON03AU) | - | 436.330 | MSK | TLM MSK | re-entered |  | - |
| ICESat-2 (Ice) | - | 2279.100 | FM | Mode S downlink | active |  | - |
| ICEYE-4 | - | 2238.000 | FM | Mode S - Transmitter | active |  | - |
| ICEYE-X12 (2012-059AM) | - | 2263.500 | BPSK | S-band telemetry | re-entered |  | - |
| ICEYE-X13 (2021-059AP) | - | 2263.500 | BPSK | S-band telemetry | re-entered |  | - |
| ICEYE-X14 (2022-002CQ) | - | 2276.000 | BPSK | S-band telemetry | re-entered |  | - |
| ICEYE-X16 (ex-ETV-A1) | - | 401.250 | FM | Mode U - FM | re-entered |  | - |
| ICEYE-X16 (ex-ETV-A1) | - | 2263.500 | - | S-band telemetry | re-entered |  | - |
| ICEYE-X18 (2022-057T) | - | 2276.000 | BPSK | S-band telemetry | re-entered |  | - |
| ICEYE-X19 (2022-05-25) | - | 2276.075 | BPSK | S-band telemetry | re-entered |  | - |
| ICEYE-X2 (2018-099AU) | - | 2263.500 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X20 (2022-057AD) | - | 2269.685 | BPSK | S-band telemetry | re-entered |  | - |
| ICEYE-X21 (2023-001AS) | - | 2263.500 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X24 (2022-057Z) | - | 2269.700 | BPSK | S-band telemetry | re-entered |  | - |
| ICEYE-X25 (2023-084AH) | - | 2263.500 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X26 (2023-084AF) | - | 2269.650 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X27 (2023-001BF) | - | 2276.000 | BPSK | S-band telemetry | re-entered |  | - |
| ICEYE-X30 (2023-084R) | - | 2275.920 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X31 | - | 2246.020 | FM | S-band telemetry | active |  | - |
| ICEYE-X31 | - | 2263.500 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X33 (2024-129CJ) | - | 2276.000 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X34 (2023-174AQ) | - | 2269.700 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X35 (2023-174AY) | - | 2263.600 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X37 | - | 2263.500 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X38 | - | 2269.700 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X4 (2019-038D) | - | 2263.500 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X40 | - | 2269.775 | FM | Mode S - Transmitter | active |  | - |
| ICEYE-X41 (2025-009CV) | - | 2263.500 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X42 (2025-009CT) | - | 2276.000 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X43 (2024-149BZ) | - | 2263.500 | - | S-band telemetry | active |  | - |
| ICEYE-X44 (2025-009DC) | - | 2269.725 | FM | S-band telemetry | active |  | - |
| ICEYE-X45 (2025-009DA) | - | 2263.500 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X46 | - | 2276.000 | FM | S-band telemetry | active |  | - |
| ICEYE-X50 (2025-052AX) | - | 2263.500 | FM | S-band telemetry | active |  | - |
| ICEYE-X51 (2025-03-15) | - | 2269.750 | FM | S-band telemetry | active |  | - |
| ICEYE-X52 (2025-135AW) | - | 2263.500 | FM | S-band telemetry | active |  | - |
| ICEYE-X53 (2025-135BJ) | - | 2265.125 | FM | S-band telemetry | active |  | - |
| ICEYE-X55 (2025-135BF) | - | 2269.725 | FM | S-band telemetry | active |  | - |
| ICEYE-X56 (2025-06-23) | - | 2269.725 | - | S-band telemetry | active |  | - |
| ICEYE-X57 (2025-135BC) | - | 2275.880 | FM | S-band telemetry | active |  | - |
| ICEYE-X6 (2020-068M) | - | 2263.620 | FM | S-band telemetry | active |  | - |
| ICEYE-X62 (2025-276CT) | - | 2270.000 | FM | S-band telemetry | active |  | - |
| ICEYE-X7 (2020-068L) | - | 2263.500 | BPSK | S-band telemetry | active |  | - |
| ICEYE-X8 (2021-006DB) | - | 2276.000 | BPSK | S-band telemetry | re-entered |  | - |
| ICEYE-X9 (2021-006CX) | - | 2276.000 | BPSK | S-band telemetry | re-entered |  | - |
| ICO F2 (OmniSpace F2; 2001-026A) | - | 2198.730 | LoRa | LoRa modulation | active |  | - |
| ICO F2 (OmniSpace F2; 2001-026A) | - | 2198.700 | LoRa | S-band lora | active |  | - |
| ICO F2 (OmniSpace F2; 2001-026A) | - | 2212.700 | BPSK | S-band LoRa 125 kHz | active |  | - |
| ICO F2 (OmniSpace F2; 2001-026A) | - | 2185.500 | LoRa | Mode S - possible LoRa | active |  | - |
| ICUBE-1 | 435.060 | 145.947 | FM | FM to DSB | active |  | - |
| ICUBE-1 | - | 145.947 | BPSK | Mode V BPSK1k2 TLM | active |  | - |
| IDEASSat | - | 437.345 | GMSK | Mode U - 9k6 GMSK | re-entered |  | - |
| IDEASSat | - | 2420.000 | QPSK | Mode S - QPSK 2Mbps | re-entered |  | - |
| IGS OPT 6 (2018-021A) | - | 2260.000 | FM | S-band telemetry | active |  | - |
| IGS RADAR 7 (2023-012A) | - | 2242.000 | BPSK | S-band telemetry | active |  | - |
| IHI-SAT 2 | - | 401.050 | FM | Mode U - Transmitter | active |  | - |
| IHI-SAT 2 | - | 8200.000 | FM | Mode X - Transmitter | active |  | - |
| IHI-SAT 2 | - | 2282.500 | FM | Mode S - Transmitter | active |  | - |
| IITMSAT | - | 437.505 | GMSK | Mode U - GMSK19k2 | future |  | - |
| IITMSAT | - | 437.505 | CW | Mode U - CW | future |  | - |
| IMAGE | - | 2275.905 | FM | Mode S | active |  | - |
| IMP-8 (Explorer 50) | - | 148.980 | FM | Downlink | dead |  | - |
| Impulse-1 (Импульс-1) | - | 401.680 | FM | Mode U - Transmitter | active |  | - |
| Impulse-1 (LEO Express-1) | - | 402.680 | FM | Mode U - Transmitter | active |  | - |
| IMPULSE-2 MIRA | - | 2221.000 | FM | Mode S - Transmitter | active |  | - |
| IMPULSE-2 MIRA | - | 8495.000 | FM | Mode X - Transmitter | active |  | - |
| INCA | - | 437.125 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| INFLATESAIL | - | 436.060 | BPSK | TLM 1k2 BPSK | re-entered |  | - |
| INHA-RoSAT (ROSAT) | - | 437.665 | GFSK | Mode U - GFSK9k6 - Transmitter | active |  | - |
| INHA-RoSAT (ROSAT) | - | 2417.000 | QPSK | Mode S - QPSK 1 Msps - Transmitter | active |  | - |
| INMARSAT 4-F1 (Alphasat1) | - | 1545.953 | BPSK | Outernet Asia/Pacific | active |  | - |
| Inmarsat-4A F4 (AlphaSat) | - | 1552.650 | FSK | Mode L | active |  | - |
| INNOCUBE (TUBSAT-31) | - | 435.950 | MSK AX.100 Mode 5 | Mode U - GMSK9k6 - TLM | active |  | - |
| INNOCUBE (TUBSAT-31) | - | 437.020 | CW | Mode U - CW | active |  | - |
| INNOCUBE (TUBSAT-31) | - | 437.020 | SSTV | Mode U SSTV (Scottie DX) | inactive |  | - |
| InnoSat 2 | - | 437.450 | FM | AX25 50KHz wide | re-entered |  | - |
| InnoSat 2 | - | 435.500 | MSK AX.100 Mode 5 | GMSK4k8 | re-entered |  | - |
| InnoSat 2 | - | 437.450 | MSK AX.100 Mode 5 | TLM | re-entered |  | - |
| InnoSat16 (ИнноСат16) | - | 435.830 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Ham Payload (Geoscan framing) | active |  | - |
| InnoSat3 (ИнноСат3) | - | 436.436 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Ham Payload (Geoscan framing) | active |  | - |
| INS-1C | - | 435.080 | FSK | INS-1C telemetry downlink | re-entered |  | - |
| INS-2B (INDIA-BHUTAN SAT) | 145.825 | 145.825 | AFSK | APRS digipeater | re-entered |  | - |
| INS-2B (INDIA-BHUTAN SAT) | - | 435.080 | FSK | Mode U - FSK 1k2 | re-entered |  | - |
| INS-2TD | - | 435.080 | FSK | Mode U - FSK 1k2 | re-entered |  | - |
| INSPIRE-SAT 7 | - | 437.410 | BPSK | Mode U TLM - BPSK9k6 AX.25 | re-entered |  | - |
| INSPIRE-SAT 7 | 145.830 | 435.200 | FM | Mode V/U - FM Transceiver - SPINO | re-entered |  | - |
| INSPIRE-SAT 7 | 145.970 | 435.410 | FM | Mode V/U - FM Transceiver | re-entered |  | - |
| INSPIRESat-1 (IS1) | - | 437.500 | GFSK | Mode U - GFSK 9k6 AX.25 | active |  | - |
| Intuition-1 | - | 401.400 | GMSK | Mode U - GMSK9k6 - AX.25 | active |  | - |
| IOD-1 (IOD1) | - | 2245.000 | FM | Mode S - Transmitter | active |  | - |
| IOD2_Startical (2025-135L) | - | 2272.500 | FM | S-band telemetry | active |  | - |
| ION SCV Charismatic Carlus (ION SCV-018) | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV Daring Diego (SCV-015) | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV Daring Diego (SCV-015) | - | 2257.500 | FM | S-band telemetry | active |  | - |
| ION SCV Galactic Georgius (ION SCV-022) | - | 2251.500 | FM | S-Band | active |  | - |
| ION SCV Marvelous Mathias (ION SCV-017) | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV Marvelous Mathias (ION SCV-017) | - | 2275.500 | BPSK | Mode S - Transmitter | active |  | - |
| ION SCV Passionate Paula (ION SCV-020) | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV Passionate Paula (ION SCV-020) | - | 2255.500 | FM | S-band telemetry | active |  | - |
| ION SCV Stellar Stephanus (ION SCV-021) | - | 2253.500 | FM | S-Band | active |  | - |
| ION SCV-003 | - | 437.515 | FSK AX.100 Mode 5 | Mode U - FSK 1k2 AX.100 | re-entered |  | - |
| ION SCV-003 | - | 2261.500 | BPSK | S-Band Transmitter | re-entered |  | - |
| ION SCV-004 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV-004 | - | 437.515 | FSK AX.100 Mode 5 | Mode U - FSK 1k2 AX.100 | active |  | - |
| ION SCV-004 | - | 2261.500 | BPSK | S-Band Transmitter | active |  | - |
| ION SCV-005 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | re-entered |  | - |
| ION SCV-005 | - | 437.515 | FSK AX.100 Mode 5 | Mode U - FSK 1k2 AX.100 | re-entered |  | - |
| ION SCV-006 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV-006 | - | 2261.500 | FM | S-band telemetry | active |  | - |
| ION SCV-007 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV-007 | - | 2261.500 | BPSK | S-Band Transmitter | active |  | - |
| ION SCV-008 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV-008 | - | 2259.500 | BPSK | S-Band Transmitter | active |  | - |
| ION SCV-009 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | re-entered |  | - |
| ION SCV-009 | - | 2259.500 | BPSK | S-Band Transmitter | re-entered |  | - |
| ION SCV-010 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV-010 | - | 2261.500 | BPSK | S-Band Transmitter | active |  | - |
| ION SCV-011 (Savvy Simon) | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV-011 (Savvy Simon) | - | 2264.800 | FM | Mode S | active |  | - |
| ION SCV-012 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV-012 | - | 2267.500 | BPSK | Mode S - Transmitter | active |  | - |
| ION SCV-014 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION SCV-016 | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION-MK01 | - | 2261.500 | CW | Mode S | active |  | - |
| ION-MK01 | - | 437.515 | FSK AX.100 Mode 5 | Mode U - FSK 1k2 AX.100 | active |  | - |
| ION-MK02-SCV013 (Ultimate Hugo) | - | 401.415 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | active |  | - |
| ION-MK02-SCV013 (Ultimate Hugo) | - | 2265.500 | BPSK | S-band telemetry | active |  | - |
| Ionosfera-M №1 | - | 399.920 | CW | MAYAK (400 MHz) | active |  | - |
| Ionosfera-M №1 | - | 149.970 | CW | MAYAK (150 MHz) | active |  | - |
| Ionosfera-M №2 | - | 399.919 | CW | MAYAK (400MHz) | active |  | - |
| Ionosfera-M №2 | - | 149.970 | CW | MAYAK (150 MHz) | active |  | - |
| Iperdrone.0 (TYVAK-0415) | - | 401.110 | FSK | Mode U - FSK9k6 | active |  | - |
| Iperdrone.0 (TYVAK-0415) | - | 2225.000 | FM | Mode S - Transmitter | active |  | - |
| IRAZU (Irazú
BATSU-CS1) | - | 436.500 | FSK | TLM FSK9K6 | re-entered |  | - |
| IRIDE FM4 (2025-276AJ) | - | 2260.000 | FM | S-band telemetry | active |  | - |
| IRIDE-MS2-HEO-01 (HEO Pathfinder (a.k.a. Patricio)) | - | 2264.000 | FM | Mode S - Transmitter | active |  | - |
| IRIDE-MS2-HEO-01 (HEO Pathfinder (a.k.a. Patricio)) | - | 8180.000 | FM | Mode X - Transmitter | active |  | - |
| IRIDE-MS2-HEO-02 (HEO 02 (a.k.a Fausto)) | - | 2264.000 | FM | Mode S - Transmitter | active |  | - |
| IRIDE-MS2-HEO-03 (HEO-03 (a.k.a Furio)) | - | 2264.000 | FM | Mode S - Transmitter | active |  | - |
| IRIDE-MS2-HEO-04 (HEO-04 (a.k.a Ernesto)) | - | 2264.000 | FM | Mode S - Transmitter | active |  | - |
| IRIDE-MS2-HEO-05 (HEO-05 (a.k.a Evaristo)) | - | 2264.000 | FM | Mode S - Transmitter | active |  | - |
| IRIDE-MS2-HEO-06 (HEO-06 (a.k.a Cosetta)) | - | 2264.000 | FM | Mode S - Transmitter | active |  | - |
| IRIDE-MS2-HEO-08 (HEO-08 (a.k.a Giorgiovanna Fumotto)) | - | 2264.812 | FM | S-band telemetry | active |  | - |
| IRIDE-MS2-HEO-09 (HEO-09 (a.k.a Ornella Vanono)) | - | 2264.000 | FM | Mode S - Transmitter | active |  | - |
| Iridium 113 | - | 1623.192 | FM | Iridium 113 | active |  | - |
| Iridium 116 (Iridium Nextv) | - | 1623.859 | FM | Iridium 116 | active |  | - |
| Iridium 130 | - | 1623.192 | FM | Iridium 130 | active |  | - |
| IRIS (ManitobaSat-1) | - | 436.250 | FSK AX.100 Mode 5 | Mode U | re-entered |  | - |
| IRIS-A | - | 436.915 | GMSK | Mode U - GMSK9k6 AX.25 | re-entered |  | - |
| IRIS-A | - | 435.575 | LoRa | Mode U - LoRa | re-entered |  | - |
| IRIS-C (BN0IRC) | - | 2420.000 | FM | S-Band | re-entered |  | - |
| IRIS-C (BN0IRC) | - | 436.915 | BPSK | Mode U - BPSK9k6 AX.25 | re-entered |  | - |
| IRIS-C (BN0IRC) | 145.860 | 436.915 | BPSK | Mode V/U - AX.25 G3RUH Digipeater | re-entered |  | - |
| IRIS-C2 | - | 400.455 | BPSK | Mode U - BPSK9k6 | re-entered |  | - |
| IRIS-C2 | - | 2250.000 | FM | Mode S - Transmitter | re-entered |  | - |
| IRIS-C2 | - | 400.455 | BPSK | Mode U - BPSK1k2 | re-entered |  | - |
| IRIS-C2 | - | 400.455 | BPSK | UHF 2k4 BPSK-G3RUH Telemetry | re-entered |  | - |
| IRIS-F1 | - | 400.915 | BPSK | Mode U - BPSK | re-entered |  | - |
| IRIS-F2 | - | 2280.000 | FM | Mode S - Transmitter | active |  | - |
| IRIS-F2 | - | 400.910 | BPSK | Mode U - BPSK4k8 | active |  | - |
| IRIS-F3 | - | 2280.000 | FM | Mode S - Transmitter | active |  | - |
| IRIS-F3 | - | 400.920 | BPSK | Mode U - BPSK4k8 | active |  | - |
| IRS P6 (2003-046A) | - | 2250.000 | BPSK | S-band telemetry | active |  | - |
| IRS-1B (Indian Remote Sensing satellite-1B) | - | 149.522 | FM | Downlink | active |  | - |
| IRVINE-01 | - | 437.800 | FSK | FSK9k6 AX.25 TLM | re-entered |  | - |
| IRVINE-01 | - | 437.800 | CW | CW Beacon | re-entered |  | - |
| IRVINE-02 | - | 437.450 | FSK | FSK9k6 | re-entered |  | - |
| ISIS-1 (International Satellite for Ionospheric Studies) | - | 136.410 | USB | carrier wave | active |  | - |
| ISOI (SXC3-219) | - | 437.650 | GMSK | Mode U - GMSK 2k4 (USP FEC) TLM | re-entered |  | - |
| Istanbul (Hello Space Istanbul) | - | 401.075 | FSK | FSK Beacon and Downlink | re-entered |  | - |
| Istanbul (Hello Space Istanbul) | - | 867.900 | LoRa | Emergency Beacon - LoRa (SF9 CR4/5 Sync 0x34) | re-entered |  | - |
| ISTSAT-1 | - | 145.895 | CW | CW Beacon | active |  | - |
| ISTSAT-1 | - | 145.895 | AFSK | Mode V - AFSK1k2 | active |  | - |
| IT-SPINS | - | 437.405 | GMSK | Mode U - GMSK19k2 | re-entered |  | - |
| ITAMSAT (IO-26) | - | 437.822 | BPSK | Mode JD | inactive |  | - |
| ITAMSAT (IO-26) | - | 435.860 | BPSK | 1k2 BPSK TLM | inactive |  | - |
| ITAMSAT (IO-26) | - | 435.772 | BPSK | BPSK CW carrier | active |  | - |
| ITASAT 1 (ITASAT-14) | - | 145.860 | BPSK | BPSK1k2 AX.25 TLM | active |  | - |
| ITASAT 1 (ITASAT-14) | - | 2400.150 | BPSK | BPSK14k4 | active |  | - |
| ITF-2 | - | 437.525 | CW | Beacon | re-entered |  | - |
| ITUPSAT 1 | - | 437.325 | GFSK | GFSK Telemetry | active |  | - |
| ITUPSAT 1 | - | 437.325 | CW | CW Beacon | active |  | - |
| ITUPSAT 1 | - | 437.323 | GFSK | GMSK Telemetry Drifted | active |  | - |
| JACK-001 | - | 436.300 | FSK | Mode U - Transmitter | active |  | - |
| JACK-003 (JAC) | - | 436.300 | FSK | Mode U - FSK9k6 - Transmitter | active |  | - |
| JACK-004 (JAC) | - | 436.300 | FSK | Mode U - FSK9k6 - Transmitter | active |  | - |
| Jackal X-1L-001 | - | 2282.500 | QPSK | Mode S - QPSK 110kbps - Downlink | active |  | - |
| Jackal X-1L-001 | - | 2205.000 | QPSK | Mode S - QPSK 196.8kbps - Crosslink | active |  | - |
| Jackal X-1L-002 | - | 2282.500 | QPSK | Mode S - QPSK 110kbps - Downlink | active |  | - |
| Jackal X-1L-002 | - | 2205.000 | QPSK | Mode S - QPSK 196.8kbps - Crosslink | active |  | - |
| JAGSAT-1 | - | 437.325 | GFSK | Mode U - GFSK 9k6 G3RUH AX25 TLM | re-entered |  | - |
| JAISAT-1 | - | 435.325 | GMSK | Mode U GMSK4k8 TLM | re-entered |  | - |
| JAISAT-1 | 145.935 - 145.965 | 435.935 - 435.965 | FM | Mode V/U Transpoder | re-entered |  | - |
| JAISAT-1 | - | 435.325 | CW | Mode U CW Beacon | re-entered |  | - |
| JAISAT-1 | - | 435.700 | GMSK | Mode U GMSK4k8 MOBITEX | re-entered |  | - |
| JANUS-1 | - | 2247.500 | FM | S band center | re-entered |  | - |
| JASON 2 (2008-032A) | - | 2268.450 | FM | S-band telemetry | active |  | - |
| JASON-3 (Joint Altimetry Satellite Oceanography Network - 3) | - | 2215.920 | FSK | Mode S - TM 2215.92 MHz, 2000 kHz, RHCP & LHCP, 838.861 Kbps | active |  | - |
| Jiaotong-5 | - | 401.697 | BPSK | UHF Unknown | re-entered |  | - |
| JILIN 1 (Jilin-1 Guangxe-A (Jilin-1 Optical-A)) | - | 2231.275 | BPSK | Telemetry | active |  | - |
| JILIN-01 GAOFEN 2A (2019-075A) | - | 2214.960 | FM | S-band telemetry | active |  | - |
| JILIN-01 GAOFEN 2B (2019-086A) | - | 2219.278 | FM | S-band telemetry | active |  | - |
| JILIN-01 GAOFEN 2D (2021-086A) | - | 2219.278 | BPSK | S-band telemetry | active |  | - |
| Jilin-01 GaoFen 2F (Jilin-01 GaoFen 13) | - | 2228.187 | BPSK | S-band telemetry | active |  | - |
| JILIN-01 GAOFEN 3B | - | 1615.659 | BPSK | Jillin Mysterious Pip | active |  | - |
| JILIN-01 GAOFEN 3D 27 | - | 1615.698 | FM | Jillin Mysterious Pip | active |  | - |
| JILIN-01 GAOFEN 3D 28 | - | 1615.694 | FM | Jillin Mysterious Pip | active |  | - |
| JILIN-01 GAOFEN 3D 5 | - | 1615.693 | FM | Jillin Mysterious Pip | active |  | - |
| JILIN-01 GAOFEN 3D 7 | - | 1615.696 | FM | Jillin Mysterious Pip | re-entered |  | - |
| JILIN-01 GAOFEN 3E | - | 1615.662 | BPSK | Jillin Mysterious Pip | active |  | - |
| JILIN-01 GAOFEN 3F | - | 1615.664 | BPSK | Jillin Mysterious Pip | active |  | - |
| JILIN-01 GAOFEN 3G | - | 1615.666 | BPSK | Jillin Mysterious Pip | active |  | - |
| JILIN-01 GAOFEN 3H | - | 1615.666 | BPSK | Jillin Mysterious Pip | active |  | - |
| JILIN-01 GAOFEN 3J | - | 1615.656 | BPSK | Jillin Mysterious Pip | active |  | - |
| JILIN-01 GAOFEN 4A | - | 1615.687 | FM | Jillin Mysterious Pip | re-entered |  | - |
| JILIN-01-04 (Jilin-1 SP-04) | - | 2219.275 | BPSK | Telemetry | active |  | - |
| JILIN-01-05 (Jilin-1 SP-05) | - | 2228.175 | BPSK | Telemetry | active |  | - |
| JILIN-01-07 (Jilin-1 SP-07) | - | 2214.950 | BPSK | Mode S - Telemetry (128000) | active |  | - |
| JILIN-01-08 (Jilin-1 SP-08) | - | 2244.975 | BPSK | Telemetry | active |  | - |
| JILIN-01-09 (Jilin-1 Guanpu-01 (Jilin-1 GP-01)) | - | 2283.975 | BPSK | Telemetry | active |  | - |
| JILIN-01-10 (Jilin-1 Guanpu-02 /Jilin-1 GP-01)) | - | 2244.977 | FM | S-band telemetry | active |  | - |
| Jilin-1 Gaofen-03D-44 (Tianfu Dongpo 08) | - | 400.280 | BPSK | UHF Unknown | re-entered |  | - |
| JILIN-1-03 (Jilin-1 SP-03 Shipin-03 Video-03) | - | 2266.700 | BPSK | Telemetry | active |  | - |
| Jin Zijing 1-02 (OBJECT H) | - | 401.350 | FM | Downlink | re-entered |  | - |
| Jin Zijing 4 (2023-007N) | - | 401.051 | FM | Telemetry | re-entered |  | - |
| JINJUSat-1 | - | 435.185 | BPSK | UHF 9k6 AX.25 BPSK-G3RUH Telemetry | re-entered |  | - |
| JINJUSat-1B | - | 435.185 | BPSK | Mode U - BPSK9k6 - AX.25 G3RUH - Telemetry | active |  | - |
| JINZIJING 1 03 | - | 401.680 | FM | Mode U - Experimental | re-entered |  | - |
| JITSAT (UNITYSAT1) | - | 436.000 | LoRa | Mode U - LoRa | re-entered |  | - |
| JITSAT (UNITYSAT1) | - | 437.500 | AM | Mode U - AM/OOK | re-entered |  | - |
| JLC-101-v1-2 (JAC) | - | 436.300 | GMSK | Mode U - GMSK9k6 - Telemetry | active |  | - |
| JOVIAN-1 | - | 145.895 | BPSK | Mode U TLM 1k2 | future |  | - |
| JUGNU | - | 437.275 | CW | CW Beacon | active |  | - |
| JUGNU | - | 437.505 | FSK | TLM | active |  | - |
| Jumang (TECMS) | - | 400.130 | LoRa | LoRa 62,5 kHz SF12 CR4/5 sync 0x12 | active |  | - |
| Jumang (TECMS) | - | 2210.160 | FM | S-band telemetry | active |  | - |
| Jumang (TECMS) | - | 2224.162 | FM | S-band telemetry | active |  | - |
| Jussara-K | - | 468.500 | LoRa | Mode U - LoRa - BW: 250KHz CR: 5 SF: 9 | re-entered |  | - |
| K-HERO | - | 437.180 | MSK AX.100 Mode 5 | Mode U - Transmitter | active |  | - |
| K2SAT (2018-099D) | - | 435.835 | BPSK | BPSK1k2 AX.25 TLM | active |  | - |
| K2SAT (2018-099D) | - | 2404.000 | QPSK | QPSK 250kbps | active |  | - |
| K2SAT (2018-099D) | 145.980 | 436.225 | FM | V/U FM Repeater | active |  | - |
| KAFASAT (Korea Air Force Academy Satellite) | - | 2404.400 | QPSK | Mode S - Transmitter | re-entered |  | - |
| KAFASAT (Korea Air Force Academy Satellite) | - | 435.835 | GMSK | UHF GMSK1k2 | re-entered |  | - |
| KAI 1 (RS26S) | - | 435.765 | FSK | Mode U 1k2 FSK | re-entered |  | - |
| KAI 1 (RS26S) | - | 435.665 | FSK | Mode U 1k2 FSK | re-entered |  | - |
| KAIDUN-1 (CATON-1 凯盾一号) | - | 437.600 | BPSK | BPSK G3RUH 1k2 | re-entered |  | - |
| KAIDUN-1 (CATON-1 凯盾一号) | - | 435.552 | BPSK | Possible second transmitter | re-entered |  | - |
| KAITUO 1B (CAS-3G) | - | 145.475 | GMSK | 9k6 GMSK TLM | re-entered |  | - |
| KAITUO 1B (CAS-3G) | - | 437.950 | GMSK | 9k6 GMSK TLM 440 | re-entered |  | - |
| KANOPUS-V 1 (2012-039A) | - | 2210.000 | BPSK | S-band telemetry | re-entered |  | - |
| Kanyini (SASAT1) | - | 400.500 | FSK | Apogee TT&C Beacon | active |  | - |
| Kashiwa (JS1YMX) | - | 437.375 | GMSK | Mode U - GMSK4k8 | re-entered |  | - |
| Kashiwa (JS1YMX) | - | 437.375 | CW | Mode U - CW | re-entered |  | - |
| Kashiwa (JS1YMX) | - | 145.825 | AFSK | 1K2 APRS | re-entered |  | - |
| KAUSAT-5 (Korea Aviation University Satellite) | 145.840 | 437.265 | FSK | 9k6 FSK TLM | re-entered |  | - |
| KAUSAT-5 (Korea Aviation University Satellite) | - | 437.465 | FSK | IARU 9k6 FSK TLM | re-entered |  | - |
| KAUSAT-5 (Korea Aviation University Satellite) | - | 2413.000 | MSK | Mode S - MSK115k2 | re-entered |  | - |
| KAZEOSAT 1 | - | 400.800 | FM | Mode U - Possibly Downlink | active |  | - |
| KAZSCISAT-1 | - | 435.500 | FM | TLM | re-entered |  | - |
| KAZSCISAT-1 | - | 2232.000 | QPSK | S-Band Payload | re-entered |  | - |
| KAZSCISAT-1 | - | 435.500 | FSK | FSK9k6 TLM | re-entered |  | - |
| KAZSTSAT (2018-099AB) | - | 2226.670 | FM | S-band telemetry | active |  | - |
| KEPLER-0 (KIPP) | - | 400.799 | GFSK | Downlink | re-entered |  | - |
| KEPLER-1 (CASE) | - | 400.799 | FM | Downlink | re-entered |  | - |
| KEPLER-19 (2022-002BV) | - | 401.490 | FM | MODE U | re-entered |  | - |
| KEPLER-2 (TARS) | - | 400.800 | FSK | Downlink | re-entered |  | - |
| KEPLER-4 (Antilles) (2020-068P) | - | 2232.000 | BPSK | S-band telemetry | re-entered |  | - |
| KickSat-2 | - | 437.240 | FSK | FSK1k2 AX.25 TLM | re-entered |  | - |
| KickSat-2 | - | 437.505 | FSK | FSK1k2 AX.25 SPRITES | re-entered |  | - |
| KickSat-2 | - | 437.240 | GMSK | GMSK Sprites | re-entered |  | - |
| KickSat-2 | - | 437.505 | FSK | FSK1k2 AX.25 Telemetry | re-entered |  | - |
| Kilick 1 | - | 437.230 | GFSK | Mode U - GFSK 19k2 - AX.25 | re-entered |  | - |
| KILICSAT | - | 436.900 | GMSK | Mode U - GMSK9k6 - Telemetry | re-entered |  | - |
| KILICSAT | - | 436.925 | CW | Mode U - CW - Beacon | re-entered |  | - |
| KINEIS-1A (2024-114F) | - | 2260.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-1A (2024-114F) | - | 400.657 | FSK AX.100 Mode 5 | Mode U - Telemetry | active |  | - |
| KINEIS-1A (2024-114F) | - | 2265.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-1B | - | 2265.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-1B | - | 400.657 | FSK | Mode U - Telemetry | active |  | - |
| KINEIS-1C (2024-114C) | - | 2260.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-1D (2024-114D) | - | 2264.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-1D (2024-114D) | - | 2264.100 | BPSK | S-band telemetry | active |  | - |
| KINEIS-1E | - | 2265.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-1E | - | 400.657 | FSK AX.100 Mode 5 | Mode U - Telemetry | active |  | - |
| KINEIS-2A (2025-028E) | - | 2264.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-2A (2025-028E) | - | 400.645 | FM | Telemetry | active |  | - |
| KINEIS-2B (2025-028G) | - | 2265.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-2B (2025-028G) | - | 400.646 | FM | Telemetry | active |  | - |
| KINEIS-2B (2025-028G) | - | 2260.500 | FM | S-band telemetry | active |  | - |
| KINEIS-2C | - | 400.645 | FM | Telemetry | active |  | - |
| KINEIS-2C | - | 2260.500 | FM | S-band telemetry | active |  | - |
| KINEIS-2C | - | 2264.500 | FM | S-band telemetry | active |  | - |
| KINEIS-2E (2025-028D) | - | 400.644 | FM | Telemetry | active |  | - |
| KINEIS-2E (2025-028D) | - | 2265.500 | FM | S-band telemetry | active |  | - |
| KINEIS-3A (2024-171B) | - | 400.662 | FM | Telemetry | active |  | - |
| KINEIS-3A (2024-171B) | - | 2264.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-3B (2024-171B) | - | 2264.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-3B (2024-171B) | - | 400.662 | FM | Telemetry | active |  | - |
| KINEIS-3C (2024-171B) | - | 2264.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-3C (2024-171B) | - | 400.662 | FM | Telemetry | active |  | - |
| KINEIS-3D (2024-171B) | - | 2264.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-3D (2024-171B) | - | 400.662 | BPSK | Telemetry | active |  | - |
| KINEIS-3E (2024-171B) | - | 2264.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-3E (2024-171B) | - | 400.662 | FM | Telemetry | active |  | - |
| KINEIS-4A | - | 400.651 | BPSK PMT-A3 | Mode U | active |  | - |
| KINEIS-4A | - | 2260.500 | FM | S-band telemetry | active |  | - |
| KINEIS-4B | - | 400.651 | BPSK PMT-A3 | Mode U | active |  | - |
| KINEIS-4B | - | 2260.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-4C | - | 400.651 | BPSK PMT-A3 | Mode U | active |  | - |
| KINEIS-4C | - | 2265.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-4D | - | 400.651 | FM | Mode U | active |  | - |
| KINEIS-4E | - | 400.651 | BPSK PMT-A3 | Mode U | active |  | - |
| KINEIS-4E | - | 2260.500 | FM | S-band telemetry | active |  | - |
| KINEIS-5A (2024-219D) | - | 400.638 | BPSK PMT-A3 | Telemetry (ARGOS-3) | active |  | - |
| KINEIS-5A (2024-219D) | - | 2264.500 | FM | S-band telemetry | active |  | - |
| Kineis-5B (2024-219E) | - | 2264.100 | BPSK | S-band telemetry | active |  | - |
| KINEIS-5D (2024-219B) | - | 2264.500 | FM | S-band telemetry | active |  | - |
| KINEIS-5E (2024-219C) | - | 2264.500 | BPSK | S-band telemetry | active |  | - |
| KINEIS-5E (2024-219C) | - | 400.639 | BPSK PMT-A3 | Mode U | active |  | - |
| KITSUNE | - | 437.375 | CW | Mode U - CW beacon | re-entered |  | - |
| KITSUNE | - | 437.375 | GMSK | Mode U - GMSK4k8 AX.25 | re-entered |  | - |
| KITSUNE | - | 5840.000 | CW | Mode C - CW | re-entered |  | - |
| KITSUNE | - | 5840.000 | GMSK | Mode C - GMSK4k8 | re-entered |  | - |
| KITSUNE | - | 5840.000 | QPSK | Mode C - QPSK 10/20Mbps | re-entered |  | - |
| KITSUNE | - | 5840.000 | BPSK | Mode C - BPSK 100k/5Mbps | re-entered |  | - |
| KITSUNE | - | 400.960 | CW | Mode U - CW | re-entered |  | - |
| KKS-1 (KISEKI) | - | 437.385 | CW | CW Beacon | active |  | - |
| KKS-1 (KISEKI) | - | 437.445 | AFSK | Mode U MSG | active |  | - |
| KL-Alpha A (2019-077A) | - | 2220.000 | BPSK | Mode S | active |  | - |
| KMSL | - | 437.265 | BPSK | Mode U - BPSK9k6 | active |  | - |
| KNACKSAT (HS0K) | - | 435.635 | GFSK | GFSK1k2 | active |  | - |
| KNACKSAT (HS0K) | - | 435.635 | GFSK | GFSK9k6 | active |  | - |
| KNACKSAT (HS0K) | - | 435.635 | CW | CW | active |  | - |
| KNACKSAT-2 (HS0K) | 145.825 | 145.825 | FSK | Mode V/V - FSK9k6 - Digipeater - AX.25 G3RUH | active |  | - |
| KNACKSAT-2 (HS0K) | - | 400.630 | FSK | Mode U - FSK9k6 - AX.25 G3RUH -TLM | active |  | - |
| Kompsat 3 (2012-025B) | - | 2232.000 | BPSK | S-band telemetry | active |  | - |
| Kompsat 3 (2012-025B) | - | 2233.563 | FM | S-band telemetry | inactive |  | - |
| Kompsat 5 (2013-042A) | - | 2256.000 | BPSK | S-band telemetry | active |  | - |
| Kosar (Kowsar) | - | 8200.000 | FM | Mode X - Transmitter | active |  | - |
| Kosar (Kowsar) | - | 436.740 | FSK | Mode U - Transmitter 2 | active |  | - |
| Kosar (Kowsar) | - | 436.750 | FSK | Mode U - FSK9k6 - Transmitter | active |  | - |
| Kosar 1.5 (Kowsar 1.5) | - | 436.100 | LoRa | LoRa (SF 8, BW 125) | active |  | - |
| Kosar 1.5 (Kowsar 1.5) | - | 863.400 | LoRa | LoRa (SF 10, BW 125) | active |  | - |
| KOSEN-1 (JR5YGJ) | 21.125 - 21.150 | 435.525 | AFSK | Mode HF/U - Onboard SDR | active |  | - |
| KOSEN-1 (JR5YGJ) | - | 435.525 | AFSK | Mode U - AFSK1k2 | active |  | - |
| KOSEN-1 (JR5YGJ) | - | 435.525 | GMSK | Mode U - GMSK9k6 | active |  | - |
| KOSEN-1 (JR5YGJ) | - | 435.525 | CW | Mode U - CW Beacon | active |  | - |
| KOSEN-2 | 920.000 | - | - | IOT RECEIVER | re-entered |  | - |
| KOSEN-2 | - | 436.750 | AFSK | Mode U - AFSK1k2 - AX.25 | re-entered |  | - |
| KOSEN-2 | - | 436.750 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| KOSEN-2 | - | 436.750 | CW | Mode U - CW | re-entered |  | - |
| KOYOH | - | 467.674 | FM | Mode U - Transmitter | active |  | - |
| KOYOH | - | 1623.830 | FM | Mode S | active |  | - |
| KOYOH | - | 2232.000 | BPSK | S-band telemetry | active |  | - |
| KrakSat (SR9KRA) | - | 435.500 | AFSK | Mode U AFSK1k2 | re-entered |  | - |
| KSAT3U | 145.935 - 145.965 | 435.935 - 435.965 | FM | Mode V/U - RAST 3U TRANSPONDER | active |  | - |
| KSAT3U | - | 435.730 | FSK | Mode U - FM / AX.25 | active |  | - |
| KSAT3U | - | 435.730 | FSK | Mode U - FM / DATA PACKET | active |  | - |
| KSAT3U | - | 435.630 | FSK | Mode U - FM / DATA PACKET | active |  | - |
| KSAT3U | - | 435.630 | FSK | Mode U - FM / AX.25 | active |  | - |
| KSF3-D (2023-001CE) | - | 2211.771 | BPSK | S-band telemetry | re-entered |  | - |
| KSM1-A | - | 401.030 | FSK AX.100 Mode 5 | Mode U | active |  | - |
| KSM1-B | - | 401.060 | FSK AX.100 Mode 5 | Mode U | active |  | - |
| KSM1-C | - | 401.120 | FSK AX.100 Mode 5 | Mode U | active |  | - |
| KSM1-D | - | 401.090 | FSK AX.100 Mode 5 | UHF Unknown | active |  | - |
| KSU-Cubesat (KSU1C) | - | 437.130 | GMSK USP | Mode U - GMSK4k8 (USP) - TLM | re-entered |  | - |
| KUbeSat-1 | - | 437.085 | GMSK | Mode U - GMSK9k6 | active |  | - |
| KuwaitSat-1 | - | 2208.500 | FM | Mode S - RX | active |  | - |
| KuwaitSat-1 | - | 436.980 | FM | Mode U - TLM | active |  | - |
| KuwaitSat-1 | - | 436.980 | FSK | LoRa | active |  | - |
| KuwaitSat-1 | - | 2208.250 | BPSK | S-band telemetry | active |  | - |
| Kuzbass-300 (SXC3-218) | - | 437.700 | GMSK | Mode U - GMSK 2k4 (USP FEC) TLM | re-entered |  | - |
| Kuzbass-300 (SXC3-218) | - | 10495.000 | DVB-S2 | Mode X - DVB-S2 | re-entered |  | - |
| KuzGTU-1 (RS47S) | - | 437.100 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | active |  | - |
| KYSAT-2 | 145.850 | 436.795 | AFSK | V/U APRS Data | re-entered |  | - |
| LabSat | - | 435.200 | FM | Mode U - FM | re-entered |  | - |
| LabSat | - | 401.100 | FM | Mode U - UHF | re-entered |  | - |
| LACHIT-1 (LACHIT) | - | 436.175 | FSK | 9k6 FSK | re-entered |  | - |
| LACHIT-1 (LACHIT) | - | 435.360 | CW | CW | re-entered |  | - |
| LACUNASAT-3 | - | 401.500 | FM | UHF Low | re-entered |  | - |
| LACUNASAT-3 | - | 465.000 | FM | UHF High | re-entered |  | - |
| LACUNASAT-3 | - | 401.051 | FM | Mode U | re-entered |  | - |
| LACUNASAT-3 | - | 868.000 | LoRa | 868 | re-entered |  | - |
| LACUNASAT-3 | - | 915.000 | LoRa | 915 | re-entered |  | - |
| LACUNASAT-3 | - | 399.000 | BPSK | UHF Unknown | re-entered |  | - |
| Ladybird 1 (OBJECT F) | - | 401.694 | FSK AX.100 Mode 5 | Mode U - Telemetry | re-entered |  | - |
| Ladybird 2 (Piao chong 2 Elvis Presley) | - | 401.605 | MSK AX.100 Mode 5 | Mode U - Telemetry | re-entered |  | - |
| Ladybird 3 | - | 400.187 | BPSK | Downlink | re-entered |  | - |
| Ladybird 4 (Piao chong 4) | - | 400.187 | GMSK | Downlink | re-entered |  | - |
| LAIKA (FossaSat-2E4) | - | 401.700 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| LAIKA (FossaSat-2E4) | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| Landsat 7 (1999-020A) | - | 2287.500 | BPSK | S-band telemetry | active |  | - |
| LANDSAT 8 (Landsat Data Continuity Mission) | - | 2282.300 | FM | S-band telemetry | active |  | - |
| LANDSAT 9 (2021-088A) | - | 2282.300 | FM | S-band telemetry | active |  | - |
| LAPAN-A1 (Lapan-TUBsat) | - | 436.075 | FM | Mode U1 | active |  | - |
| LAPAN-A1 (Lapan-TUBsat) | - | 437.325 | FM | Mode U2 | active |  | - |
| LAPAN-A2 (ORARI) | 145.825 | 145.825 | AFSK | APRS | active |  | - |
| LAPAN-A2 (ORARI) | 145.880 | 435.880 | FM | V/U FM Voice (PL 88.5Hz) | active |  | - |
| LAPAN-A2 (ORARI) | - | 437.425 | AFSK | AFSK1K2 TLM | active |  | - |
| LAPAN-A2 (ORARI) | - | 145.825 | CW | 50 mW 22 WPM | active |  | - |
| LAPAN-A2 (ORARI) | - | 8200.000 | FM | Mode X (170 MHz) | active |  | - |
| LAPAN-A3 (LISat) | - | 437.425 | FFSK | Mode 1200bps FFSK | active |  | - |
| LAPAN-A3 (LISat) | - | 8200.000 | FM | Mode X | active |  | - |
| LARES-2 (LARES 2) | 40000.000 | 40000.000 | CW | 532nm Retroreflector | active |  | - |
| LASARsat (OK0LSR) | 436.925 | 436.925 | GFSK | Mode U - GFSK9k6 - AX.25 G3RUH | active |  | - |
| LASARsat (OK0LSR) | - | 436.925 | CW | Mode U - CW - Beacon | active |  | - |
| LAYAN-23 (2023-084H) | - | 2283.500 | BPSK | S-band telemetry | re-entered |  | - |
| LAYAN-23 (2023-084H) | - | 2240.500 | BPSK | S-band telemetry | re-entered |  | - |
| LEDSAT | - | 435.190 | MSK AX.100 Mode 5 | Mode U - Beacon GMSK9k6 AX.100 | re-entered |  | - |
| LEDSAT | 435.310 | 435.190 | MSK AX.100 Mode 5 | Mode U/U - Digipeater GMSK1k2 AX.100 | re-entered |  | - |
| Lemu Nge (Forest Eye) | - | 2208.200 | BPSK | S-band telemetry | active |  | - |
| Lemur 2 - Mango 2A | - | 2440.000 | QPSK | Mode S - Experimental Payload ISL (space-to-space) 137.0 kbps | re-entered |  | - |
| Lemur 2 - Mango 2A | - | 2200.500 | FM | Mode S - Downlink | re-entered |  | - |
| Lemur 2 - Mango 2A | - | 2022.500 | FM | Mode S - Downlink | re-entered |  | - |
| Lemur 2 - Mango 2A | - | 402.790 | GMSK | Mode U - GMSK | re-entered |  | - |
| Lemur 2 - Mango 2B | - | 2440.000 | QPSK | Mode S - Experimental Payload ISL (space-to-space) 137.0 kbps | re-entered |  | - |
| Lemur 2 - Mango 2B | - | 2200.500 | FM | Mode S - Downlink | re-entered |  | - |
| Lemur 2 - Mango 2B | - | 2022.500 | FM | Mode S - Downlink | re-entered |  | - |
| Lemur 2 - Mango 2B | - | 402.790 | GMSK | Mode U - GMSK | re-entered |  | - |
| Lemur 2 - Mango 2B | - | 400.580 | GMSK | Telemetry | re-entered |  | - |
| LEMUR 2 AADAN-ALIYAH (2023-084AX) | - | 402.792 | FM | Telemetry | re-entered |  | - |
| LEMUR 2 AC_CUBED (2021-059BA) | - | 2238.536 | BPSK | S-band telemetry | re-entered |  | - |
| LEMUR 2 ALEX-MADDY | - | 402.760 | FM | Mode U | re-entered |  | - |
| LEMUR 2 ALEX-MADDY | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 ALEXANDER | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 ANNABANANA (LEMUR 2 141) | - | 402.700 | FM | Mode U Spire | re-entered |  | - |
| LEMUR 2 ANNABANANA (LEMUR 2 141) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 BROWNCOW | - | 402.760 | FM | Mode U - Spire Global | re-entered |  | - |
| LEMUR 2 BROWNCOW | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| Lemur 2 CAEL (2024-022E) | - | 402.792 | FM | Telemetry | active |  | - |
| LEMUR 2 CHANTAL (LEMUR 2 130) | - | 402.758 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 CHANUSIAK | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 CHARLIE-ROSE | - | 400.550 | FM | Telemetry | re-entered |  | - |
| LEMUR 2 CHRISTINAHOLT | - | 402.700 | FM | Mode U - Unknown | re-entered |  | - |
| Lemur 2 Disclaimer (2023-01-03) | - | 402.792 | FM | Telemetry | re-entered |  | - |
| LEMUR 2 DUSTINTHEWIND (LEMUR 2 102) | - | 402.730 | BPSK | Mode U | re-entered |  | - |
| LEMUR 2 DUSTINTHEWIND (LEMUR 2 102) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 EJATTA (LEMUR 2 103) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 FELDHUS | - | 400.520 | FM | Mode U - TLM | re-entered |  | - |
| LEMUR 2 FURIAUS | - | 402.700 | FM | Downlink | active |  | - |
| LEMUR 2 FURIAUS | - | 400.550 | BPSK | UHF Unknown | active |  | - |
| LEMUR 2 FURIAUS | - | 402.670 | FM | Downlink 2 | active |  | - |
| LEMUR 2 GRAMESUE | - | 401.100 | BPSK | Mode U - Transmitter | active |  | - |
| LEMUR 2 GREGROBINSON (LEMUR 2 105) | - | 402.670 | FM | Mode U Spire | re-entered |  | - |
| LEMUR 2 GREGROBINSON (LEMUR 2 105) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 HIMOMANDDAD | - | 400.620 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 JACKSON (LEMUR 2 140) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 JK0903EM1407 | - | 402.790 | GMSK | Mode U - GMSK | active |  | - |
| LEMUR 2 KADI | - | 400.551 | BPSK | Mode U | active |  | - |
| LEMUR 2 KAREN_B | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 LILLYJO (LEMUR 2 101) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 LLOYD | - | 400.551 | BPSK | Mode U - Transmitter | active |  | - |
| Lemur 2 Marapamasan | - | 2246.000 | FM | S-band telemetry | re-entered |  | - |
| LEMUR 2 NANAZ (2023-174DG) | - | 400.581 | BPSK | Mode U - Transmitter | re-entered |  | - |
| LEMUR 2 PETERG | - | 402.700 | FM | Mode U - Unknown | active |  | - |
| LEMUR 2 REMY-COLTON | - | 402.640 | FM | Downlink | re-entered |  | - |
| LEMUR 2 REMY-COLTON | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 ROCINANTE (2024-043BB) | - | 2260.000 | FM | S-band telemetry | active |  | - |
| LEMUR 2 ROMEO-N-LEO (LEMUR 2 165) | - | 402.788 | FM | UHF Unknown | re-entered |  | - |
| LEMUR 2 RUAIRI EILIDH (LEMUR 2 135) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 SCHMIDTFALL | - | 400.550 | BPSK | Mode U - Experimental | re-entered |  | - |
| LEMUR 2 SLICERS | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| Lemur 2 special K (2021-034F) | - | 400.552 | FM | Telemetry | active |  | - |
| LEMUR 2 SQUAREJAWS (LEMUR 2 117) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 STAR-FOX (2025-009CR) | - | 400.580 | FM | Telemetry | active |  | - |
| LEMUR 2 STEVEALBERS | - | 400.580 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 TINYKEV | - | 400.520 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 TOMHENDERSON (LEMUR 2 78) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 URAMCHANSOL | - | 400.551 | BPSK | Mode U | re-entered |  | - |
| LEMUR 2 VLADIMIR | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 VLADIMIR | - | 402.640 | FM | Downlink | re-entered |  | - |
| LEMUR 2 WANLI | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 XIAOQING | - | 401.180 | FM | UHF Unknown | re-entered |  | - |
| LEMUR 2 XIAOQING | - | 400.550 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR 2 YNDRD (LEMUR 2 106) | - | 402.788 | BPSK | UHF Unknown | re-entered |  | - |
| LEMUR SIERRINI | - | 400.581 | BPSK | Mode U - Transmitter | active |  | - |
| LEMUR-2-MARHISYAM | - | 2022.500 | FM | Mode S - Transmitter 1 | active |  | - |
| LEMUR-2-MARHISYAM | - | 2200.500 | FM | Mode S - Transmitter 2 (outside US) | active |  | - |
| LEMUR-2-MARHISYAM | - | 402.790 | FM | Mode U - Transmitter | active |  | - |
| LEMUR-2-STELLA | - | 402.790 | FM | Mode U - Transmitter | active |  | - |
| LEMUR-2-SUSURRUS (Lemur-2 120) | - | 402.640 | BPSK | Mode U 1 | re-entered |  | - |
| LEMUR-2-SUSURRUS (Lemur-2 120) | - | 400.240 | BPSK | Mode U 2 | re-entered |  | - |
| LEMUR-2-TOMATOKECHUP | - | 402.790 | FM | Mode U - Transmitter | active |  | - |
| LEOPARD | - | 2279.100 | BPSK | S-Band BPSK | active |  | - |
| LEOPARD | - | 400.960 | GMSK | Mode U - GMSK4k8 - AX.25 (active after command) | active |  | - |
| LEOPARD | - | 400.960 | CW | Mode U - CW - Beacon | active |  | - |
| LES-1 (Lincoln Experimental Satellite 1) | - | 236.997 | USB | carrier wave | active |  | - |
| Lide (2025-154A) | - | 2235.000 | FM | S-band telemetry | active |  | - |
| Light-1 (RAADSat) | - | 437.710 | GMSK | Mode U - FSK1k2 | re-entered |  | - |
| LightCube (KJ7TZG) | - | 437.175 | AFSK | Mode U 1k2 AFSK AX.25 | re-entered |  | - |
| LIGHTSAIL-1 (LIGHTSAIL-A) | - | 437.435 | FSK | AX25 Transponder | re-entered |  | - |
| LIGHTSAIL-2 (WM9XPALightSail-B) | - | 437.025 | CW | Mode U CW Beacon | re-entered |  | - |
| LIGHTSAIL-2 (WM9XPALightSail-B) | - | 437.025 | FSK | Mode U FSK9k6 AX.25 | re-entered |  | - |
| LignoSat | - | 435.820 | CW | CW | re-entered |  | - |
| LignoSat | 435.820 | 435.820 | GMSK | 4k8 GMSK AX.25 | re-entered |  | - |
| LILACSAT 2 (CAS-3H XW-2H) | - | 437.200 | CW | CW Beacon | active |  | - |
| LILACSAT 2 (CAS-3H XW-2H) | 144.390 | 144.390 | AFSK | APRS Digipeater | active |  | - |
| LILACSAT 2 (CAS-3H XW-2H) | - | 437.225 | GFSK | GFSK Telemetry | active |  | - |
| LILACSAT 2 (CAS-3H XW-2H) | - | 437.200 | BPSK | BPSK Telemetry | active |  | - |
| LILACSAT 2 (CAS-3H XW-2H) | 144.350 | 437.200 | FM | FM Transponder | inactive |  | - |
| LILACSAT-1 (CN02 ON02CN
LO-90) | - | 436.510 | BPSK | TLM BPSK9k6 | re-entered |  | - |
| LILACSAT-1 (CN02 ON02CN
LO-90) | 145.985 | 436.510 | BPSK | FM to Codec2 Transponder | re-entered |  | - |
| Lilium-1 (IRIS-E) | - | 436.886 | BPSK | Telemetry | active |  | - |
| Lilium-1 (IRIS-E) | - | 400.455 | BPSK | Mode U - Transmitter | active |  | - |
| LILIUM-2 (NCKU-LILIUM-2) | - | 2202.000 | FM | Mode S - Transmitter 1 | active |  | - |
| LILIUM-2 (NCKU-LILIUM-2) | - | 2280.000 | FM | Mode S - Transmitter 2 | active |  | - |
| LILIUM-2 (NCKU-LILIUM-2) | - | 401.910 | FM | Mode U - Transmitter | active |  | - |
| LILIUM-3 (NCKU-LILIUM-3) | - | 2202.000 | FM | Mode S - Transmitter 1 | active |  | - |
| LILIUM-3 (NCKU-LILIUM-3) | - | 2280.000 | FM | Mode S - Transmitter 2 | active |  | - |
| LILIUM-3 (NCKU-LILIUM-3) | - | 401.920 | FM | Mode U - Transmitter | active |  | - |
| LIME | - | 2240.000 | GMSK | Mode S - GMSK 48kbps | active |  | - |
| LIME | - | 2240.000 | GMSK | Mode S - GMSK 96kbps | active |  | - |
| LINGQIAO VIDEO B (Jilin-1 SP-02) | - | 2274.350 | BPSK | Telemetry | active |  | - |
| LINGQUE 1A | - | 401.800 | FM | Downlink | re-entered |  | - |
| LINK (KR01ON01KR) | - | 436.030 | BPSK | TLM BPSK | re-entered |  | - |
| LITUANICASAT-2 | - | 437.265 | FSK | TLM 9k6 FSK | re-entered |  | - |
| Lize 1 (Tianyi-XX) | - | 401.688 | FM | Mode U | re-entered |  | - |
| LIZZIESAT (LS-3) (2025-052Z) | - | 2201.200 | BPSK | S-band telemetry | active |  | - |
| LIZZIESAT-1 | - | 2201.250 | FM | Mode S - Downlink | active |  | - |
| LIZZIESAT-1 | - | 2283.250 | FM | Mode S - Downlink | active |  | - |
| LIZZIESAT-1 | - | 8045.250 | FM | Mode X - Downlink | active |  | - |
| LIZZIESAT-1 | - | 8378.250 | FM | Mode X - Downlink | active |  | - |
| LIZZIESAT-1 | - | 2262.500 | FM | Mode S - Downlink | active |  | - |
| LIZZIESAT-1 | - | 400.504 | FSK | Mode U - Downlink | active |  | - |
| LIZZIESAT-1 | - | 2260.000 | BPSK | S-band telemetry | active |  | - |
| LIZZIESAT-2 (USASAT-30V) | - | 8379.000 | - | Mode X - Transmitter | active |  | - |
| LIZZIESAT-2 (USASAT-30V) | - | 8046.000 | FM | Mode X - Transmitter | active |  | - |
| LIZZIESAT-2 (USASAT-30V) | - | 2262.250 | FM | Mode S - Transmitter | active |  | - |
| LIZZIESAT-2 (USASAT-30V) | - | 2201.250 | FM | Mode S - Transmitter | active |  | - |
| LIZZIESAT-2 (USASAT-30V) | - | 2283.250 | FM | Mode S - Transmitter | active |  | - |
| LKW-1 (2017-077A) | - | 2207.036 | FM | S-band telemetry | active |  | - |
| LKW-2 (2017-084A) | - | 2213.278 | FMN | S-band telemetry | active |  | - |
| LKW-3 (2018-006A) | - | 2219.035 | FM | S-band telemetry | active |  | - |
| LKW-4 (2018-025A) | - | 401.750 | FM | Telemetry | active |  | - |
| LKW-4 (2018-025A) | - | 2227.677 | FM | S-band telemetry | active |  | - |
| LLITED A | - | 914.700 | FM | Mode U - Transmitter | re-entered |  | - |
| LLITED A | - | 401.414 | FM | Telemetry | re-entered |  | - |
| LLITED B (Low-Latitude Ionosphere/Thermosphere Enhancements in Density) | - | 914.700 | FM | Mode U - Transmitter | re-entered |  | - |
| Lobachevsky (RS83S) | - | 10470.000 | DVB-S2 | Mode X - DVB-S2 | active |  | - |
| Lobachevsky (RS83S) | 435.500 | 145.910 | AFSK | Mode U/V - AFSK1k2 - Transceiver | inactive |  | - |
| Lobachevsky (RS83S) | - | 436.320 | GFSK | Mode U - GFSK9k6 - Telemetry | active |  | - |
| Lobachevsky (RS83S) | 435.500 | 145.910 | FM | Mode U/V - FM Transceiver | inactive |  | - |
| Lobachevsky (RS83S) | - | 436.320 | SSDV | Mode U - SSDV | active |  | - |
| Lobachevsky (RS83S) | - | 436.320 | SSTV | Mode U - SSTV | inactive |  | - |
| LOGSATS | - | 401.375 | BPSK | Mode U - BPSK9k6 - AX.25 G3RUH | active |  | - |
| LOGSATS-2 (LOGSATS-II) | - | 401.375 | BPSK | Mode U - BPSK9k6 - AX.25 G3RUH | active |  | - |
| LOGSATS-2 (LOGSATS-II) | - | 401.375 | BPSK | Mode U - BPSK1k2 - AX.25 G3RUH | active |  | - |
| LORIS | - | 437.165 | GMSK | UHF 9k6 GMSK Telemetry | re-entered |  | - |
| LQSAT | - | 2404.000 | QPSK31 | TLM | active |  | - |
| LQSAT | - | 437.650 | MSK | TLM | active |  | - |
| LQSAT | - | 437.650 | CW | TLM | active |  | - |
| LT-1 O1A (2022-007A) | - | 2201.305 | FM | Telemetry | active |  | - |
| LT-1 O1A (2022-007A) | - | 2210.409 | FM | S-band telemetry | active |  | - |
| LT-1 O1B (2022-018A) | - | 2219.277 | FM | S-band telemetry | active |  | - |
| Luca (Luča) | - | 437.180 | GMSK | 2k4 GMSK USP | active |  | - |
| Lucky-7 (OK0SAT) | - | 437.525 | GFSK | Mode U GFSK4k8 TLM | re-entered |  | - |
| Lucy | - | 8445.582 | FM | Mode X | re-entered |  | - |
| LUME-1 (LUME-I) | - | 437.060 | FM | TLM | re-entered |  | - |
| LUME-1 (LUME-I) | - | 437.060 | MSK AX.100 Mode 5 | Mode U - GMSK9k6 | re-entered |  | - |
| LUME-1 (LUME-I) | - | 437.060 | MSK AX.100 Mode 5 | Mode U - GMSK4k8 | re-entered |  | - |
| LUMIR T1 | - | 437.475 | FSK | Mode U - FSK9k6 AX.25 G3RUH | active |  | - |
| LUNA-1 | - | 401.775 | GMSK | UHF | active |  | - |
| Lunar-IceCube | - | 8498.950 | FM | X-Band | re-entered |  | - |
| Luojia-1 (LUOJIA 1-01) | - | 437.250 | GMSK | Telem | active |  | - |
| Luojia-1 (LUOJIA 1-01) | - | 148.375 | FM | Mode V Downlink | active |  | - |
| LUR-1 | - | 401.700 | FSK AX.100 Mode 5 | Telemetry | active |  | - |
| LUR-1 | - | 2217.000 | FM | S-band telemetry | active |  | - |
| LUSAT (LO-19) | 145.840 | 437.150 | BPSK | BPSK 1k2 Transceiver | active |  | - |
| LUSAT (LO-19) | - | 437.125 | CW | Mode U TLM | active |  | - |
| LUSAT (LO-19) | - | 435.078 | - | Carrier | active |  | - |
| LYNK TOWER 1 (Lynk 05) | - | 2260.000 | BPSK | S-band telemetry | active |  | - |
| LYNK TOWER 3 | - | 2260.000 | BPSK | S-band telemetry | active |  | - |
| LYNK TOWER 4 | - | 2260.000 | FM | S-band telemetry | active |  | - |
| LYNK TOWER 5 (2024-043Z) | - | 2260.000 | BPSK | S-band telemetry | active |  | - |
| LYNK TOWER 6 (2024-043AB) | - | 2260.000 | BPSK | S-band telemetry | active |  | - |
| LYRA-1 (2025-009BH) | - | 400.500 | FSK | Mode U - Telemetry | active |  | - |
| LYRA-3 (2025-135BB) | - | 400.500 | FM | Telemetry | active |  | - |
| LYRA-4 (2025-139A) | - | 400.503 | FM | Telemetry | active |  | - |
| M-CUBED & EXP-1 PRIME (E1P-U2) | - | 437.485 | FSK | FSK TLM | re-entered |  | - |
| M-CUBED & EXP-1 PRIME (E1P-U2) | - | 437.505 | BPSK | Explorer 1 Prime Unit 2 Beacon | re-entered |  | - |
| M-CUBED & EXP-1 PRIME (E1P-U2) | - | 437.494 | FSK | PE0SAT - 1k2 FSK | re-entered |  | - |
| M-SEL/CORTEZ | - | 6965.000 | DVB-S2 | Mode C - DVB-S2/X - Transmitter 1 | active |  | - |
| M-SEL/CORTEZ | - | 4920.000 | DVB-S2 | Mode C - DVB-S2/X - Transmitter 1 | active |  | - |
| M-SEL/CORTEZ | - | 2491.750 | DVB-S2 | Mode S - DVB-S2/X - Transmitter 1 | active |  | - |
| M-SEL/CORTEZ | - | 1552.000 | DVB-S2 | Mode L - DVB-S2/X - Transmitter 2 | active |  | - |
| M-SEL/CORTEZ | - | 1534.500 | DVB-S2 | Mode L - DVB-S2/X - Transmitter 1 | active |  | - |
| M-SEL/CORTEZ | - | 400.500 | GFSK | Mode U - GFSK38k4 | active |  | - |
| M2 PATHFINDER | - | 449.538 | FSK | TLM | active |  | - |
| M3MSat (exactView 7) | - | 400.575 | FM | Mode U - TLM | re-entered |  | - |
| M3MSat (exactView 7) | - | 161.975 | FM | Mode V 1 | re-entered |  | - |
| M3MSat (exactView 7) | - | 162.025 | FM | Mode V 2 | re-entered |  | - |
| M6P | - | 437.265 | FSK | FSK9k6 | re-entered |  | - |
| MACSAT (Finch 1) | - | 2185.100 | BPSK | S-band telemetry | active |  | - |
| MACSAT (Finch 1) | - | 401.050 | FM | UHF Downlink | active |  | - |
| MAGNARO A (MAGNARO-Tigris) | - | 145.850 | AFSK | Mode V - AFSK1k2 - AX.25 | re-entered |  | - |
| MAGNARO A (MAGNARO-Tigris) | - | 145.850 | GMSK | Mode V - GMSK9k6 | re-entered |  | - |
| MAGNARO A (MAGNARO-Tigris) | - | 436.325 | AFSK | Mode U - AFSK1k2 - SatLink | re-entered |  | - |
| MAGNARO A (MAGNARO-Tigris) | - | 145.850 | CW | Mode V - CW | re-entered |  | - |
| MAGNARO A (MAGNARO-Tigris) | - | 145.850 | GMSK | Mode V - GMSK19k2 | re-entered |  | - |
| MAGNARO B (MAGNARO-Piscis) | - | 436.325 | AFSK | Mode U - AFSK1k2 - AX.25 | re-entered |  | - |
| MAGNARO B (MAGNARO-Piscis) | - | 145.850 | AFSK | Mode V - AFSK1k2 - SatLink | re-entered |  | - |
| MAGNARO B (MAGNARO-Piscis) | - | 436.325 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| MAGNARO B (MAGNARO-Piscis) | - | 436.325 | GMSK | Mode U - GMSK19k2 | re-entered |  | - |
| MAGNARO B (MAGNARO-Piscis) | - | 436.325 | CW | Mode U - CW | re-entered |  | - |
| MANDRAKE 2 ABLE | - | 400.498 | FSK | Mode U - Downlink | active |  | - |
| Mandrake 2B (MANDRAKE 2 BAKER) | - | 400.498 | FSK | Mode U - Downlink | active |  | - |
| MARIO (WL2XYF) | - | 437.485 | FSK | 9k6 FSK TLM | re-entered |  | - |
| MATS (MATS:2022-147A) | - | 2214.000 | OQPSK | S-Band OQPSK | active |  | - |
| MAX VALIER SAT | - | 145.860 | GMSK | GMSK Telemetry | re-entered |  | - |
| MAX VALIER SAT | - | 145.960 | CW | CW Beacon | re-entered |  | - |
| MAX VALIER SAT | - | 437.880 | CW | CW 3rd harmonic | re-entered |  | - |
| MAYA-1 (JG6YKM) | - | 437.375 | CW | CW BEACON | re-entered |  | - |
| MAYA-1 (JG6YKM) | 145.825 | 145.825 | AFSK | APRS digipeater | re-entered |  | - |
| MAYA-2 (JG6YMY) | - | 145.825 | AFSK | Mode U - AFSK1k2 APRS | re-entered |  | - |
| MAYA-2 (JG6YMY) | - | 437.375 | FSK | Mode U - FSK4k8 AX25 G3RUH | re-entered |  | - |
| MAYA-2 (JG6YMY) | - | 437.375 | CW | Mode U - CW Beacon | re-entered |  | - |
| MAYA-3 | - | 437.375 | GMSK | Mode U - GMSK4k8 AX.25 | re-entered |  | - |
| MAYA-3 | - | 437.375 | CW | Mode U - CW Beacon | re-entered |  | - |
| MAYA-3 | 145.825 | 145.825 | AFSK | Mode U - AFSK1k2 - APRS Digipeater | re-entered |  | - |
| MAYA-4 | - | 437.375 | GMSK | Mode U - GMSK4k8 AX.25 | re-entered |  | - |
| MAYA-4 | - | 437.375 | CW | Mode U - CW Beacon | re-entered |  | - |
| MAYA-4 | 145.825 | 145.825 | AFSK | Mode U - AFSK1k2 - APRS Digipeater | re-entered |  | - |
| MAYA-5 (DX5MYA) | 145.825 | 145.825 | AFSK | Mode U - AFSK1k2 - APRS Digipeater | re-entered |  | - |
| MAYA-5 (DX5MYA) | - | 437.375 | CW | Mode U - CW Beacon | re-entered |  | - |
| MAYA-5 (DX5MYA) | - | 437.375 | GMSK | Mode U - GMSK4k8 AX.25 | re-entered |  | - |
| MAYA-6 (DX6MYA) | 145.825 | 145.825 | AFSK | Mode U - AFSK1k2 - APRS Digipeater | re-entered |  | - |
| MAYA-6 (DX6MYA) | - | 437.375 | CW | Mode U - CW Beacon | re-entered |  | - |
| MAYA-6 (DX6MYA) | - | 437.375 | GMSK | Mode U - GMSK4k8 AX.25 | re-entered |  | - |
| MAYAK | - | 150.012 | CERTO | CERTO 1 | re-entered |  | - |
| MBZ-SAT | - | 2228.200 | FM | Mode S - Transmitter | active |  | - |
| MBZ-SAT | - | 8215.000 | FM | Mode X - Transmitter | active |  | - |
| MCUBED-2 | - | 437.480 | FSK | GMSK 9k6 | active |  | - |
| MDASat-1A | - | 401.050 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| MDASat-1A | - | 436.888 | FSK | Mode U - 9k6 FSK | re-entered |  | - |
| MDASat-1B | - | 401.050 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| MDASat-1C | - | 401.050 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| MDQSAT-1A ("Juana Azurduy") | - | 437.800 | LoRa | Beacon mode U | re-entered |  | - |
| MDQSAT-1A ("Juana Azurduy") | - | 436.900 | LoRa | Data mode U | re-entered |  | - |
| MDQSAT-1B ("Simón Bolivar") | - | 437.800 | FM | Beacon mode U | re-entered |  | - |
| MDQSAT-1B ("Simón Bolivar") | - | 436.900 | FM | Data mode U | re-entered |  | - |
| MDQSAT-1C | - | 437.800 | LoRa | Mode U - Beacon | re-entered |  | - |
| MDQSAT-1C | - | 436.900 | LoRa | Mode U - Data | re-entered |  | - |
| MDQSAT-1D | - | 437.800 | LoRa | Mode U - Beacon | re-entered |  | - |
| MDQSAT-1D | - | 436.900 | LoRa | Mode U - Data | re-entered |  | - |
| MDQube-SAT1 | - | 436.800 | LoRa | Mode U - LoRa | re-entered |  | - |
| MDQube-SAT1 | - | 437.200 | LoRa | Mode U - LoRa | re-entered |  | - |
| MDQube-SAT1 | - | 436.900 | LoRa | Mode U LoRa | re-entered |  | - |
| MDQUBESAT-2 | - | 436.900 | LoRa | Mode U - LoRa | active |  | - |
| MegSat-1 | - | 137.905 | FM | Mode V - FM | active |  | - |
| MEMESat-1 (KE4UGA) | - | 437.450 | GMSK | Mode U - GMSK9k6 - AX.25 | future |  | - |
| MEMESat-1 (KE4UGA) | 437.450 | 437.450 | GMSK | Mode U/U - Transceiver | future |  | - |
| MEMSAT | - | 437.350 | BPSK | BPSK9k6 TLM | re-entered |  | - |
| MERCURY ONE (M1) | - | 2265.000 | FM | S-Band | active |  | - |
| MERCURY ONE (M1) | - | 2220.000 | FM | S-Band | active |  | - |
| Meridian-M 10 (Meridian 20L) | - | 992.450 | FM | Mode L - SECAM TV | active |  | - |
| Meridian-M 10 (Meridian 20L) | - | 279.550 | FM | Mode V | active |  | - |
| Meridian-M 10 (Meridian 20L) | - | 484.250 | FM | Mode U - NA slot | active |  | - |
| Meridian-M 10 (Meridian 20L) | - | 483.750 | FM | Mode U - EU slot | active |  | - |
| Meridian-M 10 (Meridian 20L) | - | 486.250 | FM | 486.250 | active |  | - |
| MESAT-1 (MESAT1-OSCAR 122) | - | 1616.250 | BPSK | GlobalStar EyeStar 2M32G1D | active |  | - |
| MESAT-1 (MESAT1-OSCAR 122) | - | 435.800 | BPSK | UHF TLM 1k2 BPSK | active |  | - |
| MESAT-1 (MESAT1-OSCAR 122) | 145.910 - 145.940 | 435.810 - 435.840 | USB | Mode V/U - SSB - Transponder | active |  | - |
| METEOR M-1 (Meteor-M N1) | - | 2200.647 | CW | CW Carrier | active |  | - |
| METEOR M-1 (Meteor-M N1) | - | 137.097 | QPSK | Mode V - QPSK Telemetry | active |  | - |
| METEOR M-1 (Meteor-M N1) | - | 1700.000 | HRPT | HRPT | active |  | - |
| METEOR M-2 | - | 1700.000 | HRPT | HRPT | active |  | - |
| METEOR M-2 | - | 137.900 | LRPT | LRPT 2 | inactive |  | - |
| METEOR M-2 | - | 137.100 | LRPT | LRPT 1 | active |  | - |
| METEOR M-2-2 | - | 137.100 | LRPT | LRPT S-E RHCP D 80 kbps | inactive |  | - |
| METEOR M-2-2 | - | 137.900 | LRPT | LRPT S-E RHCP D 72 kbps | inactive |  | - |
| METEOR M-2-2 | - | 1544.500 | BPSK | SARSAT L-Band | active |  | - |
| METEOR M-2-2 | - | 8320.000 | FM | Raw X-Band | active |  | - |
| METEOR M-2-2 | - | 1700.000 | HRPT | HRPT | active |  | - |
| METEOR M-2-2 | - | 3405.235 | FM | S-Band TLM | active |  | - |
| METEOR M-2-2 | - | 8128.000 | FM | Raw X-Band | active |  | - |
| METEOR M-2-2 | - | 137.913 | LRPT | LRPT S-E RHCP D 80 kbps | inactive |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 1544.500 | BPSK | SARSAT L-Band | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 8320.000 | FM | Raw X-Band | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 3405.235 | FM | S-Band TLM | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 8128.000 | FM | Raw X-Band | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 137.913 | LRPT | LRPT S-E RHCP D 80 kbps | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 137.900 | LRPT | LRPT S-E RHCP D 72 kbps | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 137.100 | LRPT | LRPT S-E RHCP D 72 kbps | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 137.100 | LRPT | LRPT S-E RHCP D 80 kbps | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 137.900 | LRPT | LRPT S-E RHCP D 80 kbps | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 137.900 | FSK | LRPT IQ recording usage | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 137.100 | FSK | LRPT IQ recording usage | active |  | - |
| METEOR M2-3 (METEOR 2 2-3) | - | 1700.000 | BPSK | HRPT | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 137.913 | LRPT | LRPT S-E RHCP D 80 kbps | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 137.900 | LRPT | LRPT S-E RHCP D 80 kbps | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 137.100 | LRPT | LRPT S-E RHCP D 80 kbps | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 1705.000 | HRPT | HRPT | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 1700.000 | HRPT | HRPT | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 137.100 | FSK | LRPT IQ recording usage | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 1544.500 | BPSK | SARSAT L-band | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 137.100 | LRPT | LRPT S-E RHCP D 72 kbps | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 137.900 | LRPT | LRPT S-E RHCP D 72 kbps | active |  | - |
| METEOR M2-4 (METEOR 2 2-4) | - | 137.900 | FSK | LRPT IQ recording usage | active |  | - |
| METHANESAT | - | 8175.000 | FM | Mode X - Downlink | active |  | - |
| METHANESAT | - | 2234.500 | QPSK | Mode S - QPSK 100kbps | active |  | - |
| METOP-A | - | 465.988 | BPSK PMT-A3 | ARGOS-3 A-DCS | dead |  | - |
| METOP-A | - | 1544.500 | BPSK | SARSAT L-Band | dead |  | - |
| METOP-A | - | 2230.000 | PSK | Telemetry | dead |  | - |
| METOP-A | - | 1707.000 | AHRPT | AHRPT 7 | dead |  | - |
| METOP-A | - | 137.100 | LRPT | LRPT 1 | dead |  | - |
| METOP-A | - | 137.913 | LRPT | LRPT 9 | dead |  | - |
| METOP-A | - | 1701.300 | AHRPT | AHRPT Downlink | dead |  | - |
| METOP-B | - | 465.988 | BPSK | ARGOS-3 | active |  | - |
| METOP-B | - | 465.988 | BPSK PMT-A3 | ARGOS-3 A-DCS 465.9875MHz | active |  | - |
| METOP-B | - | 1544.500 | BPSK | SARSAT L-Band | active |  | - |
| METOP-B | - | 2230.000 | CW | Beacon | active |  | - |
| METOP-B | - | 1701.300 | AHRPT | AHRPT Downlink | active |  | - |
| METOP-B | - | 7800.000 | FM | Mode X (active over Norway) | active |  | - |
| METOP-C (Meteorological operational satellite - C) | - | 465.988 | BPSK PMT-A3 | ARGOS-3 A-DCS | active |  | - |
| METOP-C (Meteorological operational satellite - C) | - | 2230.000 | PSK | Telemetry | active |  | - |
| METOP-C (Meteorological operational satellite - C) | - | 1701.300 | AHRPT | AHRPT Prime | active |  | - |
| METOP-C (Meteorological operational satellite - C) | - | 7800.000 | FM | Mode X (active over Norway) | active |  | - |
| MEZNSAT | 145.600 | 436.600 | BPSK | BPSK1k2 Telemetry | re-entered |  | - |
| MEZNSAT | 145.600 | 436.600 | BPSK | BPSK2k4 Telemetry | re-entered |  | - |
| MEZNSAT | 145.600 | 436.600 | BPSK | BPSK4K8 Telemetry | re-entered |  | - |
| MEZNSAT | 145.600 | 436.600 | BPSK | BPSK9k6 Telemetry | re-entered |  | - |
| MH-1 (AEROS) | - | 2245.000 | BPSK | Mode S - Downlink | re-entered |  | - |
| MICE-1 | - | 2260.000 | FM | Mode S - Transmitter 2 | active |  | - |
| MICE-1 | - | 2243.000 | FM | Mode S - Transmitter 1 | active |  | - |
| MICE-1 | - | 401.500 | GMSK | UHF 4k8 Telemetry | active |  | - |
| Micius (Mozi) | - | 2245.207 | FM | S-band telemetry | re-entered |  | - |
| Microdragon | - | 8055.000 | FM | XTX | re-entered |  | - |
| Microdragon | - | 2228.000 | BPSK | STRX | re-entered |  | - |
| MicroOrbiter-1 | - | 400.961 | CW | Mode U - Transmitter | re-entered |  | - |
| MIET-AIS (SXC3-214 RS28S) | - | 10475.000 | DVB-S2 | Mode X - DVB-S2 | re-entered |  | - |
| MIET-AIS (SXC3-214 RS28S) | - | 437.900 | GMSK | Mode U - GMSK 2k4 (USP FEC) TLM | re-entered |  | - |
| MIET-AIS (SXC3-214 RS28S) | - | 437.900 | GMSK USP | Mode U - GMSK 9k6 (USP FEC) TLM | re-entered |  | - |
| MIMAN (Cubesatyonsei) | - | 436.500 | FSK AX.100 Mode 5 | Mode U - TLM | active |  | - |
| MINXSS | - | 437.345 | FSK | Mode U TLM | re-entered |  | - |
| MinXSS 2 | - | 437.250 | GMSK | Secondary | active |  | - |
| MinXSS 2 | - | 437.250 | GMSK | GMSK9k6 | inactive |  | - |
| MIR-SAT1 (3B8MIRMO-112) | - | 436.925 | GMSK | Telemetry | re-entered |  | - |
| MIR-SAT1 (3B8MIRMO-112) | 145.988 | 436.925 | GMSK | Mode V/U - Digipeater | re-entered |  | - |
| MISRSAT-2 (2023-187B) | - | 2281.081 | BPSK | S-band telemetry | active |  | - |
| MiTEE-1 | - | 437.800 | FSK | Mode U - FSK9k6 AX25 | re-entered |  | - |
| MITSUBA-1 | - | 437.375 | AFSK | Mode U - AFSK1k2 - AX.25 | re-entered |  | - |
| MITSUBA-1 | - | 437.375 | CW | Mode U - CW | re-entered |  | - |
| MOBIUS-1 | - | 2222.200 | FM | Mode S - Unknown modulation | active |  | - |
| MOHAMMED VI-A | - | 2241.775 | BPSK | Telemetry | active |  | - |
| MOHAMMED VI-B | - | 2241.775 | BPSK | Telemetry | active |  | - |
| MOMENTUS-X1 | - | 400.500 | FM | Mode U - Unknown | active |  | - |
| Monitor-1 (SXC3-212) | - | 437.550 | GMSK | Mode U - GMSK 2k4 (USP FEC) TLM | re-entered |  | - |
| Monitor-1 (SXC3-212) | - | 437.550 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | re-entered |  | - |
| Monitor-1 (SXC3-212) | - | 437.550 | GMSK | Mode U - GMSK 9k6 (USP FEC) TLM | re-entered |  | - |
| Monitor-1 (SXC3-212) | - | 435.650 | FSK | Mode U 9k6 FSK | re-entered |  | - |
| Monitor-2 (RS39S) | - | 435.860 | FSK | Mode U - FSK9k6 | active |  | - |
| Monitor-2 (RS39S) | - | 435.815 | AFSK | Mode U AFSK 1k2 | active |  | - |
| Monitor-2 (RS39S) | - | 435.915 | DOKA | Mode U - DOKA 9k6 | active |  | - |
| Monitor-2 (RS39S) | - | 435.000 | DOKA | Mode U - DOKA 9k6 | active |  | - |
| Monitor-2 (RS39S) | - | 435.650 | AFSK | Mode U - AFSK 1k2 | active |  | - |
| Monitor-3 (RS58S) | - | 435.290 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | active |  | - |
| Monitor-3 (RS58S) | - | 435.290 | SSTV | Mode U - Robot 36 SSTV | active |  | - |
| Monitor-3 (RS58S) | - | 435.290 | GMSK USP | Mode U - GMSK 9k6 (USP FEC) | active |  | - |
| Monitor-4 (RS57S) | - | 436.080 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | active |  | - |
| Monitor-4 (RS57S) | - | 436.080 | GMSK USP | Mode U - GMSK 2k4 (USP FEC) TLM | active |  | - |
| Monitor-4 (RS57S) | - | 436.080 | GMSK USP | Mode U - GMSK 9k6 (USP FEC) | active |  | - |
| MONOLITH | - | 2275.670 | FM | Mode S - Transmitter | active |  | - |
| Moonlighter | - | 2225.000 | QPSK | Mode S | re-entered |  | - |
| Moonlighter | - | 914.700 | GFSK | Mode U | re-entered |  | - |
| Moonlighter | - | 2225.000 | BPSK | S-band BPSK (800000 bd) | re-entered |  | - |
| MORDOVIA-IOT (RS50S) | - | 437.865 | LoRa | Mode U - LoRa | re-entered |  | - |
| MORDOVIA-IOT (RS50S) | - | 435.750 | FSK | Mode U - FSK 2k4 Beacon | re-entered |  | - |
| MORDOVIA-IOT (RS50S) | - | 437.090 | SSTV | SSTV - Robot 36 | re-entered |  | - |
| MORDOVIA-IOT (RS50S) | - | 437.100 | AFSK | Mode U - AFSK 1143 Beacon TLM | re-entered |  | - |
| MOVE-II (DP0MVE) | - | 145.950 | CW | CW Beacon | re-entered |  | - |
| MOVE-II (DP0MVE) | - | 145.950 | BPSK | BPSK Telemetry | re-entered |  | - |
| MOVE-II (DP0MVE) | - | 145.950 | BPSK | BPSK TLM IQ recording usage | re-entered |  | - |
| MOVE-IIb (DP0MVB) | - | 145.840 | BPSK | Mode V BPSK12k5 TLM | re-entered |  | - |
| MOVE-IIb (DP0MVB) | - | 145.840 | CW | Mode V CW Beacon | re-entered |  | - |
| MOZHAYETS 4 (RS-22) | - | 435.352 | CW | Mode U CW Beacon | active |  | - |
| MOZHAYETS 4 (RS-22) | - | 435.353 | CW | PE0SAT - CW Beacon | active |  | - |
| MOZHAYETS 4 (RS-22) | - | 435.353 | DOKA | Mode U FM Doka | active |  | - |
| MP42 | - | 401.051 | FM | Telemetry | re-entered |  | - |
| MRC-100 | - | 436.720 | GMSK | Mode U - GMSK1k25 AX.25 | re-entered |  | - |
| MRC-100 | - | 436.720 | GMSK | Mode U - GMSK2k5 AX.25 | re-entered |  | - |
| MRC-100 | - | 436.720 | GMSK | Mode U - GMSK5k AX.25 | re-entered |  | - |
| MRC-100 | - | 436.720 | GMSK | Mode U - GMSK12k5 AX.25 | re-entered |  | - |
| MRC-100 | - | 2267.500 | FM | S Band | re-entered |  | - |
| MTCube (ROBUSTA 1C) | - | 436.750 | GFSK | Mode U GFSK9k6 G3RUH AX.25 | re-entered |  | - |
| MTCube 2 (ROBUSTA-1F) | - | 436.750 | GMSK | Mode U TLM 2k4 GMSK AX25 | active |  | - |
| MTCube 2 (ROBUSTA-1F) | - | 436.750 | GMSK | Mode U TLM 9k6 GMSK AX25 | inactive |  | - |
| MTCube 2 (ROBUSTA-1F) | - | 436.750 | AFSK | Mode U TLM 1k2 AFSK AX25 | inactive |  | - |
| MTUSI-1 | - | 435.600 | FSK | Mode U - Transmitter | active |  | - |
| MTUSI-1 | - | 438.100 | LoRa | 125k LoRa | active |  | - |
| Mule 4T | - | 436.700 | LoRa | Mode U - LoRa - BW: 250KHz | active |  | - |
| MUNAL | - | 401.375 | GFSK | Mode U - GFSK4k8 | re-entered |  | - |
| MuSat-1 (MUSAT1) | - | 8387.500 | FM | Mode X - Transmitter | re-entered |  | - |
| MuSat-1 (MUSAT1) | - | 2260.000 | BPSK | S-band telemetry | re-entered |  | - |
| MuSat-2 | - | 8390.000 | OQPSK | Mode X - Backup Downlink - 0.5 Mbit/s | active |  | - |
| MuSat-2 | - | 8385.000 | OQPSK | Mode X - Primary Downlink - 0.5 Mbit/s | active |  | - |
| MuSat-2 | - | 8205.000 | FM | Mode X - EESS Downlink | active |  | - |
| MySat-1 | - | 435.775 | BPSK | BPSK9k6 AX.25 | re-entered |  | - |
| MySat-1 | - | 435.775 | BPSK | BPSK1k2 AX.25 | re-entered |  | - |
| N3SS (NESS) | - | 2218.000 | BPSK | S-Band transmitter | active |  | - |
| NAHLA | - | 2245.000 | FM | S-Band | active |  | - |
| Nanoconnect-2 (SAI-1) | - | 450.000 | FSK | Mode U - FSK | re-entered |  | - |
| Nanoconnect-2 (SAI-1) | - | 450.000 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| NanoDragon (XV9NDG) | - | 437.365 | BPSK | UHF 1K2 BPSK Telemetry | active |  | - |
| NanoFF A (DP0NFA) | - | 435.950 | FMN | CW/FM (F2A) Beacon | active |  | - |
| NanoFF A (DP0NFA) | - | 435.950 | GMSK | GMSK4k8 Telemetry | active |  | - |
| NanoFF A (DP0NFA) | - | 435.950 | GMSK | GMSK9k6 Telemetry | inactive |  | - |
| NanoFF A (DP0NFA) | - | 2264.126 | FM | S-band telemetry | active |  | - |
| NanoFF B (DP0NFB) | - | 435.950 | FMN | CW/FM (F2A) Beacon | active |  | - |
| NanoFF B (DP0NFB) | - | 435.950 | GMSK | GMSK4k8 Telemetry | active |  | - |
| NanoFF B (DP0NFB) | - | 435.950 | GMSK | GMSK4k8 Telemetry | inactive |  | - |
| NanoFF B (DP0NFB) | - | 2263.996 | BPSK | S-band telemetry | active |  | - |
| NANOSATC-BR1 (NCBR-1
NCBR1) | - | 145.865 | BPSK | Mode V - BPSK1k2 - TLM | active |  | - |
| NANOSATC-BR2 (NCBR-2) | - | 145.865 | BPSK | Mode U - BPSK1k2 | re-entered |  | - |
| NANOSATC-BR2 (NCBR-2) | - | 145.865 | BPSK | Mode U - BPSK2k4 | re-entered |  | - |
| NANOSATC-BR2 (NCBR-2) | - | 145.865 | CW | Mode U - CW Beacon | re-entered |  | - |
| NANOSATC-BR2 (NCBR-2) | - | 145.865 | BPSK | Mode U - BPSK9k6 | re-entered |  | - |
| NANOSATC-BR2 (NCBR-2) | - | 145.865 | BPSK | Mode U - BPSK4k8 | re-entered |  | - |
| NANOVA (Commtrail TYVAK-0092) | - | 401.880 | FM | Downlink | re-entered |  | - |
| Nanozond-1 (RS49S) | - | 437.000 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | inactive |  | - |
| Nanozond-1 (RS49S) | - | 437.000 | GMSK USP | Mode U - GMSK 2k4 (USP FEC) TLM | active |  | - |
| Nanozond-1 (RS49S) | - | 437.000 | SSTV | Mode U - SSTV | active |  | - |
| Nantong Zhongxue Hao (Object B) | - | 402.345 | GFSK | Mode U - Unknown | re-entered |  | - |
| NAPA 2 (RTAF-SAT 2) | - | 401.124 | BPSK | UHF 1k2 BPSK Telemetry | active |  | - |
| NAPA-1 (RTAF-SAT 1) | - | 401.125 | BPSK | Downlink | active |  | - |
| NARSSCube-1 (Egycubesat-1) | - | 437.970 | CW | Mode U CW Beacon | re-entered |  | - |
| NARSSCube-2 | - | 437.970 | CW | Mode U CW Beacon | re-entered |  | - |
| NASA PTD-1 (PT1F1N) | - | 401.205 | FSK | Telemetry | re-entered |  | - |
| NasbSat-1 (S3809A) | - | 401.500 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| NasbSat-1 (S3809A) | - | 401.600 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| NasbSat-2 (A2S5A) | - | 401.700 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| NasbSat-2 (A2S5A) | - | 401.800 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| NAUKA (ISS (NAUKA)) | - | 631.000 | FM | Telemetry | active |  | - |
| NAUKA (ISS (NAUKA)) | - | 631.129 | FM | NAUKA strong sideband | active |  | - |
| NAUKA (ISS (NAUKA)) | - | 630.873 | FM | NAUKA strong sideband | active |  | - |
| NAUKA (ISS (NAUKA)) | - | 166.075 | FM | Mode V - FM | active |  | - |
| NAYIF-1 (EO-88) | - | 145.940 | BPSK | Mode V TLM Beacon | re-entered |  | - |
| NAYIF-1 (EO-88) | - | 145.939 | BPSK | Mode V TLM Beacon (current) | re-entered |  | - |
| NAYIF-1 (EO-88) | 435.015 - 435.045 | 145.960 - 145.990 | USB | Mode UV Transponder | re-entered |  | - |
| NEE-01 PEGASUS (NEE-01) | - | 910.000 | FM | Downlink | active |  | - |
| NEE-02 Krysaor | - | 980.000 | FM | Downlink | active |  | - |
| NEMO-HD | - | 8212.000 | QPSK | 375 BW QPSK | active |  | - |
| NeonSat-1 (New-space Earth Observation Satellite-1) | - | 2242.750 | FM | Mode S | active |  | - |
| NepaliSat-1 (JG6YLF) | - | 437.375 | GMSK | UHF GMSK4k8 | re-entered |  | - |
| NepaliSat-1 (JG6YLF) | - | 437.375 | CW | UHF CW TLM | re-entered |  | - |
| NEPT-1 (Neptuno) | - | 2228.882 | FM | S-band telemetry | re-entered |  | - |
| NEPT-1 (Neptuno) | - | 401.500 | FSK AX.100 Mode 5 | Mode U - FM | re-entered |  | - |
| NETSAT 1 | - | 435.600 | FSK AX.25 G3RUH | Telemetry | active |  | - |
| NETSAT 2 | - | 435.600 | FSK AX.25 G3RUH | Telemetry | active |  | - |
| NETSAT 3 | - | 435.600 | FSK AX.25 G3RUH | Telemetry | active |  | - |
| NETSAT 4 | - | 435.600 | FSK AX.25 G3RUH | Telemetry | active |  | - |
| NEUDOSE (VE3NEU) | - | 436.050 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Telemetry | re-entered |  | - |
| NEUTRON-1 | - | 435.300 | BPSK | Mode U - BPSK1k2 AX.25 Beacon (LEOP) | re-entered |  | - |
| NEUTRON-1 | - | 435.300 | BPSK | Mode U - BPSK9K2 AX.25 Beacon | re-entered |  | - |
| NEXUS (JS1WAV FO-99 Fuji-OSCAR 99) | - | 437.075 | CW | CW Beacon | re-entered |  | - |
| NEXUS (JS1WAV FO-99 Fuji-OSCAR 99) | - | 435.900 | QPSK | QPSK - pi/4 shift | re-entered |  | - |
| NEXUS (JS1WAV FO-99 Fuji-OSCAR 99) | - | 435.900 | AFSK | AFSK1k2 TLM | re-entered |  | - |
| NEXUS (JS1WAV FO-99 Fuji-OSCAR 99) | - | 435.900 | GMSK | GMSK9k6 | re-entered |  | - |
| NEXUS (JS1WAV FO-99 Fuji-OSCAR 99) | - | 437.073 | CW | CW Beacon - drifted | re-entered |  | - |
| NEXUS (JS1WAV FO-99 Fuji-OSCAR 99) | - | 437.075 | SSTV | SSTV | re-entered |  | - |
| NEXUS (JS1WAV FO-99 Fuji-OSCAR 99) | 145.900 - 145.930 | 435.880 - 435.910 | USB | Transpoder | re-entered |  | - |
| NIGHTJAR (RIoT) | - | 435.350 | GFSK | UHF 9k6 Telemetry | active |  | - |
| NILA | - | 435.400 | GFSK | UHF GFSK 9k6 Telemetry | inactive |  | - |
| NINGXIA-1 1 (2019-076A) | - | 2270.662 | FM | Mode S possible | active |  | - |
| NINGXIA-1 1 (2019-076A) | - | 2202.721 | BPSK | S-band telemetry | active |  | - |
| NINGXIA-1 2 (2019-076B) | - | 2289.120 | FM | S-band telemetry | active |  | - |
| NINGXIA-1 3 (2019-076C) | - | 2232.720 | FM | S-band telemetry | active |  | - |
| NINGXIA-1 5 (Zhongzi 1-05) | - | 2270.662 | FM | Mode S | active |  | - |
| NinjaSat | - | 402.000 | GMSK | Mode U (LightSat-1 framing) | re-entered |  | - |
| NinjaSat | - | 401.050 | GMSK | Telemetry | re-entered |  | - |
| NISAR (2025-163A) | - | 2245.680 | FM | S-band telemetry | active |  | - |
| NIUSAT | - | 436.000 | FSK AX.100 Mode 5 | TLM FSK 4k8 AX100 | re-entered |  | - |
| NIUSAT | - | 2240.000 | FM | S-Band downlink | re-entered |  | - |
| NIUSAT | - | 436.000 | FM | TLM 1k2 FSK AX.25 | re-entered |  | - |
| NJUST-1 (CN03 ON03CN) | - | 436.570 | BPSK | TLM BPSK | re-entered |  | - |
| NJUST-1 (CN03 ON03CN) | - | 436.572 | BPSK | KB9JHU TLM BPSK | re-entered |  | - |
| NMTSat (WM9XLJ) | 431.800 | 148.800 | FM | VHF Tranmitter | re-entered |  | - |
| NMTSat (WM9XLJ) | 431.800 | 148.800 | GFSK | VHF beacon every 10min, G3RUH | re-entered |  | - |
| NO-83 (BRICSat-P) | 145.825 | 437.975 | AFSK | APRS Transponder | re-entered |  | - |
| NO-83 (BRICSat-P) | 28.120 | 435.350 | PSK31 | PSK31 Transponder | re-entered |  | - |
| NO-84 (PSATParkinsonSAT) | - | 145.825 | AFSK | 1k2 AFSK TLM | re-entered |  | - |
| NO-84 (PSATParkinsonSAT) | 145.825 | 145.825 | AFSK | APRS Digipeater | re-entered |  | - |
| NO-84 (PSATParkinsonSAT) | 28.120 | 435.350 | PSK31 | PSK31 Transponder | re-entered |  | - |
| NO-84 (PSATParkinsonSAT) | 28.120 | 435.347 | PSK31 | Drifted PSK Transponder | re-entered |  | - |
| NOAA 15 (NOAA-K) | - | 1544.500 | BPSK | SARSAT L-Band | active |  | - |
| NOAA 15 (NOAA-K) | - | 1702.500 | HRPT | HRPT | active |  | - |
| NOAA 15 (NOAA-K) | - | 137.350 | DSB | Direct Sounder Broadcast | active |  | - |
| NOAA 15 (NOAA-K) | - | 137.770 | DSB | Direct Sounder Broadcast | inactive |  | - |
| NOAA 15 (NOAA-K) | - | 2247.490 | BPSK | S-band telemetry | active |  | - |
| NOAA 15 (NOAA-K) | - | 137.500 | APT | APT Transmission | inactive |  | - |
| NOAA 15 (NOAA-K) | - | 137.620 | APT | APT | inactive |  | - |
| NOAA 18 | - | 465.988 | BPSK | ARGOS-3 A-DCS 465.9875MHz | dead |  | - |
| NOAA 18 | - | 1544.500 | BPSK | SARSAT L-Band | dead |  | - |
| NOAA 18 | - | 1707.000 | HRPT | HRPT Downlink | dead |  | - |
| NOAA 18 | - | 137.350 | DSB | Direct Sounder Broadcast | dead |  | - |
| NOAA 18 | - | 2247.484 | BPSK | Noaa 18 SGLS channel | dead |  | - |
| NOAA 18 | - | 1698.000 | FMN | GAC (active over Eastern US) | dead |  | - |
| NOAA 18 | - | 137.913 | FSK | APT IQ Recording | dead |  | - |
| NOAA 18 | - | 137.913 | APT | APT Downlink | dead |  | - |
| NOAA 19 (NOAA-N Prime) | - | 465.988 | BPSK PMT-A3 | ARGOS-3 A-DCS 465.9875MHz | active |  | - |
| NOAA 19 (NOAA-N Prime) | - | 1544.500 | BPSK | SARSAT L-Band | active |  | - |
| NOAA 19 (NOAA-N Prime) | - | 1698.000 | HRPT | HRPT Downlink | active |  | - |
| NOAA 19 (NOAA-N Prime) | - | 137.932 | FM | 137.932 | active |  | - |
| NOAA 19 (NOAA-N Prime) | - | 137.770 | DSB | Direct Sounder Broadcast | active |  | - |
| NOAA 19 (NOAA-N Prime) | - | 2247.500 | BPSK | Telemetry | active |  | - |
| NOAA 19 (NOAA-N Prime) | - | 1702.500 | FM | GAC - LHCP (active over Norway) | active |  | - |
| NOAA 19 (NOAA-N Prime) | - | 137.100 | APT | APT Downlink | inactive |  | - |
| NOAA 20 (JPSS-1) | - | 7812.000 | FM | Argos Downlink RHCP Mode C | active |  | - |
| NOAA 20 (JPSS-1) | - | 2067.270 | FM | Inter-satellite TLM RHCP Mode S | active |  | - |
| NOAA 20 (JPSS-1) | - | 26703.400 | QPSK | Ka-Band dumps | active |  | - |
| NOAA 20 (JPSS-1) | - | 7812.000 | QPSK | X-Band Direct Broadcast | active |  | - |
| NOAA 20 (JPSS-1) | - | 1544.500 | BPSK | SARSAT to LUT | active |  | - |
| NOAA 20 (JPSS-1) | - | 1227.600 | FM | Inter-satellite ranging RHCP Mode L (24000000 bd) | active |  | - |
| NOAA 20 (JPSS-1) | - | 1575.420 | FM | Inter-satellite TLM RHCP Mode L (24000000 bd) | active |  | - |
| NOAA 20 (JPSS-1) | - | 2247.500 | BPSK | Mode S - TT&C (RHCP) | active |  | - |
| NOAA 9 (NOAA-F) | - | 137.770 | FM | Beacon | inactive |  | - |
| NOAA 9 (NOAA-F) | - | 137.620 | APT | APT | inactive |  | - |
| NOAA 9 (NOAA-F) | - | 137.500 | APT | APT | inactive |  | - |
| NOAA 9 (NOAA-F) | - | 1707.000 | HRPT | HRPT | active |  | - |
| NOAA 9 (NOAA-F) | - | 136.770 | BPSK | Beacon | active |  | - |
| NOAA-2 (ITOS-D) | - | 137.500 | APT | APT | active |  | - |
| NOAA-2 (ITOS-D) | - | 136.770 | FM | 250mW tracking beacon | active |  | - |
| NOAA-2 (ITOS-D) | - | 137.620 | APT | APT 2 | active |  | - |
| NOAA-2 (ITOS-D) | - | 1697.500 | HRPT | 1697.5 HRPT/GAC | active |  | - |
| NOAA-2 (ITOS-D) | - | 136.770 | FM | Mode V - Telemetry Beacon | active |  | - |
| NOAA-21 JPSS-2 (2022-150A) | - | 2247.500 | BPSK | S-band telemetry | active |  | - |
| NOAA-21 JPSS-2 (2022-150A) | - | 2067.270 | FM | TDRS input | active |  | - |
| NODES 1 | - | 437.100 | AFSK | Mode U TLM | re-entered |  | - |
| NODES 1 | - | 2401.200 - 2431.200 | FSK | Mode S TLM 115k2 Spread Spectrum FSK | re-entered |  | - |
| NODES 2 | - | 437.100 | AFSK | Mode U TLM | re-entered |  | - |
| NODES 2 | - | 2401.200 - 2431.200 | FSK | Mode S TLM 115k2 Spread Spectrum FSK | re-entered |  | - |
| Nokhcho (Нохчо) | - | 435.750 | AFSK | Mode U - AFSK 1k135 Beacon TLM | re-entered |  | - |
| Nokhcho (Нохчо) | - | 437.550 | AFSK | Mode U - AFSK 1k135 Beacon TLM | re-entered |  | - |
| NORBI (NORBY) | - | 436.700 | GFSK | Mode U - GFSK9k6 | active |  | - |
| NORBI (NORBY) | - | 436.703 | LoRa | Mode U - LoRa | active |  | - |
| Norby-2 | - | 436.700 | GFSK | Mode U - GFSK9k6 | active |  | - |
| Norby-2 | - | 436.500 | LoRa | Mode U - LoRa (SF:10 CR:5 BW:250) | active |  | - |
| Norby-2 | - | 436.500 | GFSK | Mode U - GFSK9k6 | active |  | - |
| Norby-3 | - | 436.570 | LoRa | Mode U - LoRa | active |  | - |
| Norby-3 | - | 436.570 | FSK | [Experiment] LoRa (62.5 kHz bandwidth) (as FSK) | active |  | - |
| NORSAT 2 | 157.188 - 157.338 | 161.788 - 161.938 | GMSK | NORSAT-2 VDES transmitter | active |  | - |
| NORSAT 2 | - | 2209.000 | FM | Mode L | active |  | - |
| NORSAT 3 (2021-034E) | - | 2212.993 | FM | S-band telemetry | active |  | - |
| NOSS 3-6 (P) | - | 2277.519 | FM | S-band telemetry | active |  | - |
| NOUR 01 (NOOR-01) | - | 401.500 | FSK | Mode U FSK 9k6 | re-entered |  | - |
| NOUR 01 (NOOR-01) | - | 401.500 | FSK | Mode U FSK 19k2 | re-entered |  | - |
| NOUR 02 | - | 401.500 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| NOUR 02 | - | 2255.380 | FM | Mode S 1 | re-entered |  | - |
| NOUR 02 | - | 2450.000 | FM | Mode S 2 | re-entered |  | - |
| NOUR 02 | - | 2258.000 | FM | Mode S | re-entered |  | - |
| NOUR 03 (Najm) | - | 2255.380 | FM | Mode S1 | re-entered |  | - |
| NOUR 03 (Najm) | - | 8212.500 | FM | Mode X Approx | re-entered |  | - |
| NOUR 03 (Najm) | - | 401.500 | FSK | Mode U - FSK 9k6 | re-entered |  | - |
| NOUR 03 (Najm) | - | 2258.000 | FM | Mode S - Nour 02 Channel | re-entered |  | - |
| NOVASAR 1 (2018-071B) | - | 2226.665 | FM | S-band telemetry | active |  | - |
| NPSAT1 (Naval Postgraduate School Satellite-1) | - | 400.032 | CERTO | CERTO 2 | active |  | - |
| NSIGHT-1 (AZ02 ON02AZ) | - | 435.900 | FSK | Telemetry | re-entered |  | - |
| NSL-1 | - | 401.200 | FM | Downlink | re-entered |  | - |
| NSL-2 (NSL 2) | - | 2245.000 | FM | Mode S | re-entered |  | - |
| NSL-2 (NSL 2) | - | 401.355 | FM | Mode U - TLM | re-entered |  | - |
| NSL-2 (NSL 2) | - | 401.200 | PSK31 | UHF Unknown | re-entered |  | - |
| NUDT-PHONESAT (CAS-3IXW-2I) | - | 437.300 | FSK | 9k6 FSK TLM | re-entered |  | - |
| NUDT-PHONESAT (CAS-3IXW-2I) | - | 437.301 | FSK | PE0SAT - 9k6 FSK TLM | re-entered |  | - |
| NUDTSAT (CN06) | - | 436.270 | BPSK | TLM 9k6 BPSK | re-entered |  | - |
| NuLIoN (2023-109G) | - | 401.500 | FSK AX.100 Mode 5 | Mode U - FSK1k2 - GomSpace AX100 | re-entered |  | - |
| NUSAT 2 (BATATA) | - | 437.445 | FSK | Mode U TLM FSK 40k | re-entered |  | - |
| NUSAT-10 (2020-079F) | - | 400.875 | - | MODE U | re-entered |  | - |
| NUSHSat1 | - | 436.200 | FSK AX.100 Mode 5 | Mode U - Transmitter | active |  | - |
| NUSHSat1 | - | 436.200 | FSK AX.100 Mode 5 | AX.100 2400 baud | active |  | - |
| NUTSat (BN0UT) | - | 436.850 | FSK AX.25 G3RUH | UHF 9k6 AX.25 Telemetry | re-entered |  | - |
| NUTSat (BN0UT) | - | 436.850 | AFSK | Mode U APRS | re-entered |  | - |
| NUTSat (BN0UT) | - | 145.825 | AFSK | Mode V APRS | re-entered |  | - |
| NUTSat-3 (BN0UTC) | 437.850 | 437.850 | AFSK | U/U Digipeater 1k2 | re-entered |  | - |
| NUTSat-3 (BN0UTC) | - | 437.850 | AFSK | Mode U - 1k2 AFSK Telemetry | re-entered |  | - |
| NUTSat-3 (BN0UTC) | 145.825 | 145.825 | AFSK | V/V Digipeater 1k2 | re-entered |  | - |
| NUTSat-3 (BN0UTC) | 145.980 | 435.250 | FM | V/U FM Transponder (67 Hz tone) | re-entered |  | - |
| NuX-1 | - | 437.650 | FSK AX.100 Mode 5 | Mode U - FSK1k2 AX.100 | re-entered |  | - |
| O/OREOS (USA 219) | - | 437.305 | AFSK | AFSK Beacon | active |  | - |
| Object A (2015-049a) | - | 2194.054 | FM | S-band telemetry | re-entered |  | - |
| Object A (2015-049a) | - | 2206.073 | FM | S-band telemetry | re-entered |  | - |
| Object A | - | 400.094 | BPSK | UHF Unknown | re-entered |  | - |
| Object A | - | 400.130 | LoRa | LoRa 62,5 kHz SF12 CR4/5 sync 0x12 over EU, 500 kHz rest of world | re-entered |  | - |
| Object A (2020-051A) | - | 2246.154 | FM | S-band telemetry | active |  | - |
| Object A (2020-003A) | - | 2279.950 | BPSK | S-band telemetry | active |  | - |
| Object A (2019-096A) | - | 387.462 | FM | UHF Unknown | active |  | - |
| Object A (2019-096A) | - | 388.687 | FM | UHF Unknown | active |  | - |
| Object A (2019-096A) | - | 265.059 | FM | Telemetry | active |  | - |
| OBJECT A (2024-105A) | - | 400.600 | FM | Telemetry | active |  | - |
| OBJECT A (2024-105A) | - | 401.205 | FM | Mode U - Transmitter | active |  | - |
| Object A (2024-219A) | - | 2260.500 | BPSK | S-band telemetry | active |  | - |
| Object A (2024-219A) | - | 400.638 | FM | Telemetry | active |  | - |
| Object A (2023-069A) | - | 2206.800 | FM | S-band telemetry | active |  | - |
| Object A (2025-219A) | - | 2218.559 | FM | S-band telemetry | active |  | - |
| Object A (2024-018A) | - | 2221.000 | FM | S-band telemetry | active |  | - |
| Object A (2025-180A) | - | 400.750 | FM | Telemetry | active |  | - |
| Object AE (2023-06-15) | - | 2263.212 | FM | S-band telemetry | re-entered |  | - |
| OBJECT B | - | 1615.660 | BPSK | Jillin Mysterious Pip | re-entered |  | - |
| OBJECT B | - | 400.250 | BPSK | UHF Unknown | re-entered |  | - |
| OBJECT B | - | 400.404 | BPSK | UHF Unknown | re-entered |  | - |
| Object B (2019-093B) | - | 2264.398 | FM | S-band telemetry | active |  | - |
| Object B (2021-091B) | - | 2283.129 | FM | S-band telemetry | active |  | - |
| Object B (2021-091B) | - | 2211.597 | FM | S-band telemetry | active |  | - |
| Object B | - | 401.450 | FM | Downlink | active |  | - |
| OBJECT B (2024-105B) | - | 401.250 | FM | Telemetry | active |  | - |
| OBJECT B (2024-105B) | - | 400.150 | FSK | TLM | active |  | - |
| Object B (2025-012B) | - | 2238.000 | FM | S-band telemetry | active |  | - |
| Object B (2023-081B) | - | 2283.000 | BPSK | S-band telemetry | re-entered |  | - |
| Object B (2024-173B) | - | 2217.000 | FM | S-band telemetry | re-entered |  | - |
| Object B (2025-234B) | - | 2230.800 | FM | S-band telemetry | active |  | - |
| Object B (2025-197B) | - | 401.100 | FM | Telemetry | active |  | - |
| Object B | - | 2222.500 | FM | S-Band Transmitter | active |  | - |
| Object B (202-274B) | - | 2249.044 | FM | S-band telemetry | active |  | - |
| Object BF (2024-149BF) | - | 2219.000 | BPSK | S-band telemetry | active |  | - |
| Object C (2020-058C) | - | 2212.793 | FM | S-band telemetry | re-entered |  | - |
| Object C | - | 2285.000 | FM | Mode S | active |  | - |
| Object C | - | 2284.100 | FM | Mode S2 | active |  | - |
| Object C (2024-032C) | - | 2277.307 | BPSK | S-band telemetry | active |  | - |
| OBJECT CU (2025-276CU) | - | 401.750 | FM | Telemetry | active |  | - |
| Object D | - | 401.650 | FM | Mode U | active |  | - |
| Object D | - | 401.550 | FM | UHF Unknown | active |  | - |
| OBJECT D | - | 1615.666 | BPSK | Jillin Mysterious Pip | active |  | - |
| OBJECT D | - | 1615.699 | FM | Jillin Mysterious Pip | active |  | - |
| OBJECT D | - | 1615.689 | FM | Jillin Mysterious Pip | active |  | - |
| Object D (2021-050D) | - | 2284.077 | FM | S-band telemetry | active |  | - |
| Object D (2025-180D) | - | 2288.200 | FM | S-band telemetry | active |  | - |
| OBJECT D (2025-103D) | - | 401.402 | FM | Telemetry | active |  | - |
| OBJECT E | - | 1615.661 | BPSK | Jillin Mysterious Pip | active |  | - |
| Object E | - | 2204.401 | FM | S-band telemetry | active |  | - |
| OBJECT E | - | 1615.699 | FM | Jillin Mysterious Pip | active |  | - |
| OBJECT E (2024-024E) | - | 437.250 | FSK | Mode U - 9k6 GMSK | active |  | - |
| OBJECT E - 2025-103 | - | 401.250 | FM | Mode U - Transmitter | active |  | - |
| Object F | - | 400.550 | FSK | UHF Unknown | active |  | - |
| Object F (2022-023F) | - | 402.792 | FM | Telemetry | active |  | - |
| Object F (2024-016F) | - | 401.550 | BPSK | Telemetry | re-entered |  | - |
| Object F (2023-081F) | - | 2282.400 | FM | S-band telemetry | re-entered |  | - |
| Object G | - | 401.222 | FM | UHF Unknown | re-entered |  | - |
| OBJECT G (2025-009G) | - | 2242.500 | BPSK | S-band telemetry | active |  | - |
| OBJECT G (2025-009G) | - | 401.900 | FM | Telemetry | active |  | - |
| Object H | - | 1615.695 | BPSK | Jillin Mysterious Pip | active |  | - |
| OBJECT H | - | 1615.657 | BPSK | Jillin Mysterious Pip | active |  | - |
| OBJECT H | - | 1615.698 | FM | Jillin Mysterious Pip | active |  | - |
| OBJECT J | - | 1615.697 | FM | Jillin Mysterious Pip | active |  | - |
| Object J (2024-024J) | - | 2246.405 | FM | S-band telemetry | active |  | - |
| Object J (2019-093J) | - | 2252.999 | FM | S-band telemetry | active |  | - |
| OBJECT J (2025-276J) | - | 401.910 | FM | Telemetry | active |  | - |
| OBJECT J - 2022-019 | - | 401.888 | FM | Mode U - Beacon | active |  | - |
| OBJECT K | - | 1615.699 | FM | Jillin Mysterious Pip | active |  | - |
| OBJECT L | - | 1615.659 | BPSK | Jillin Mysterious Pip | active |  | - |
| OBJECT M | - | 401.901 | FM | UHF Unknown | re-entered |  | - |
| OBJECT M | - | 1615.659 | BPSK | Jillin Mysterious Pip | active |  | - |
| OBJECT P | - | 1615.696 | FM | Jillin Mysterious Pip | active |  | - |
| OBJECT Q | - | 1615.643 | BPSK | Jillin Mysterious Pip | re-entered |  | - |
| OBJECT R | - | 1615.686 | FM | Jillin Mysterious Pip | active |  | - |
| OBJECT S | - | 401.650 | FM | UHF Unknown | active |  | - |
| OBJECT S | - | 1615.689 | FM | L Band | active |  | - |
| Object S (2025-276S) | - | 2251.500 | FM | S-band telemetry | active |  | - |
| OBJECT T (2025-009T) | - | 2228.250 | FM | S-band telemetry | active |  | - |
| OBJECT W | - | 1615.691 | FM | Jillin Mysterious Pip | active |  | - |
| OBJECT Z | - | 437.200 | FSK | Mode U | active |  | - |
| Objext AX (2025-009AX) | - | 401.850 | FM | Telemetry | active |  | - |
| Observer-1A (2023-174BV) | - | 2246.000 | FM | S-band telemetry | active |  | - |
| OBSERVER-1B (GYEONGGISAT-1) | - | 2246.000 | FM | Mode S - Transmitter 1 | active |  | - |
| OBSERVER-1B (GYEONGGISAT-1) | - | 2219.000 | FM | Mode S - Transmitter 2 | active |  | - |
| Oceansat 2 (2009-051A) | - | 2250.000 | BPSK | S-band telemetry | active |  | - |
| Oceansat 2 (2009-051A) | - | 2245.000 | FM | Mode S dumps | active |  | - |
| Oceansat 3 (EOS-6) | - | 1703.000 | QPSK | A-DCS L-band downlink | active |  | - |
| Oceansat 3 (EOS-6) | - | 2250.000 | BPSK | S-band Telemetry | active |  | - |
| Oceansat 3 (EOS-6) | - | 465.988 | FM | A-DCS UHF downlink | active |  | - |
| Oceansat 3 (EOS-6) | - | 8275.000 | FM | Mode X (active over Norway & India) | active |  | - |
| Oceansat 3 (EOS-6) | - | 2230.000 | FM | S-band telemetry | active |  | - |
| Oculus-ASR (Nanosat-6) | - | 437.200 | GMSK | Mode U GMSK9k6 AX.25 | re-entered |  | - |
| ODIN | - | 2208.139 | QPSK | QPSK | active |  | - |
| ODIN | - | 2265.154 | BPSK | S-band telemetry | active |  | - |
| OFEQ-16 | - | 2285.000 | FM | Mode S | active |  | - |
| OMNI-L1 (Spark 1) | - | 401.050 | FM | UHF Unknown | active |  | - |
| OMNI-L2 (Spark 2) | - | 401.050 | FM | UHF Unknown | active |  | - |
| OMNI-LER1 | - | 2245.000 | FM | Mode S - Transmitter | active |  | - |
| OMOTENASHI (Outstanding MOon exploration Technologies demonstrated by NAno Semi-Hard Impactor) | - | 437.410 | FM | Lander | dead |  | - |
| OMOTENASHI (Outstanding MOon exploration Technologies demonstrated by NAno Semi-Hard Impactor) | - | 437.310 | PSK31 | Orbiter PSK31 | dead |  | - |
| OMOTENASHI (Outstanding MOon exploration Technologies demonstrated by NAno Semi-Hard Impactor) | - | 437.410 | PSK31 | Lander PSK31 | dead |  | - |
| OMOTENASHI (Outstanding MOon exploration Technologies demonstrated by NAno Semi-Hard Impactor) | - | 8494.530 | FM | X-Band | dead |  | - |
| OMOTENASHI (Outstanding MOon exploration Technologies demonstrated by NAno Semi-Hard Impactor) | - | 437.310 | FM | Orbiter | dead |  | - |
| ONDOSAT-OWL-1 | - | 435.000 | CW | Mode U - CW | re-entered |  | - |
| ONDOSAT-OWL-1 | - | 435.000 | GMSK | Mode U - GMSK4k8 | re-entered |  | - |
| ONDOSAT-OWL-1 | - | 435.000 | LoRa | Mode U - LoRa (BW: 250 kHz, SF: 10) | re-entered |  | - |
| ONDOSAT-OWL-10 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| ONDOSAT-OWL-11 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| ONDOSAT-OWL-12 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| ONDOSAT-OWL-2 | - | 435.000 | GMSK | Mode U - GMSK4k8 | re-entered |  | - |
| ONDOSAT-OWL-2 | - | 435.000 | CW | Mode U - CW | re-entered |  | - |
| ONDOSAT-OWL-2 | - | 435.000 | LoRa | Mode U - LoRa (BW: 250 kHz, SF: 10) | re-entered |  | - |
| ONDOSAT-OWL-3 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| ONDOSAT-OWL-4 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| ONDOSAT-OWL-5 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| ONDOSAT-OWL-6 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| ONDOSAT-OWL-7 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| ONDOSAT-OWL-8 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| ONDOSAT-OWL-9 | - | 400.160 | LoRa | Mode U - LoRa | active |  | - |
| Oneweb-0639 (2023-029H) | - | 2257.228 | FM | S-band telemetry | active |  | - |
| ONGLAISAT (1998-067XF) | - | 922.000 | FM | Mode U - Transmitter | re-entered |  | - |
| ONGLAISAT (1998-067XF) | - | 2277.300 | FM | Mode S - Transmitter | re-entered |  | - |
| ONGLAISAT (1998-067XF) | - | 8160.000 | FM | Mode X - Transmitter | re-entered |  | - |
| OOV-Cube (DP0TBF) | - | 2263.000 | FM | Mode S - Transmitter | active |  | - |
| OOV-Cube (DP0TBF) | - | 435.950 | AFSK | Mode U - AFSK1k2 | active |  | - |
| OP15 FLT1 (TYVAK-0820) | - | 401.180 | FSK | Mode U - Transmitter | re-entered |  | - |
| OPAL (OO-38) | - | 437.100 | FSK | 9k6 FSK AX25 | active |  | - |
| OPS 5644 (1977-044A) | - | 2252.536 | FM | S-band imagery | active |  | - |
| OPS 5644 (1977-044A) | - | 2237.500 | FM | S-Band Transmitter | active |  | - |
| OPS 7613 (P/L 4) (S69-4) | - | 137.407 | CW | carrier wave | active |  | - |
| OPS 7898 (NRL P/L 172) (POPPY 7B) | - | 137.079 | CW | carrier wave | active |  | - |
| OPS-SAT | - | 2229.650 | QPSK | Syrlinks EWC31 | re-entered |  | - |
| OPS-SAT | - | 8176.000 | FM | Mode X (active over Germany) | re-entered |  | - |
| OPS-SAT | - | 437.200 | MSK AX.100 Mode 6 | Mode U GMSK9k6 AX.25 | re-entered |  | - |
| OPTIMUS 2 | - | 2260.000 | QPSK | Mode S - Downlink | active |  | - |
| OPTSAT 3000 (2017-044A) | - | 2285.000 | FM | Mode S | active |  | - |
| OPUSAT-II (JL3ZKS) | - | 145.900 | AFSK | Mode U - AFSK1k2 AX.25 | re-entered |  | - |
| OPUSAT-II (JL3ZKS) | - | 145.900 | GMSK | Mode U - GMSK9k6 AX.25 | re-entered |  | - |
| OPUSAT-II (JL3ZKS) | - | 145.900 | GMSK | Mode U - GMSK13k6 AX.25 | re-entered |  | - |
| OPUSAT-II (JL3ZKS) | - | 145.900 | 4FSK | Mode U - FSK19k2 AX.25 | re-entered |  | - |
| OPUSAT-II (JL3ZKS) | - | 145.900 | CW | Mode U - CW 40cpm | re-entered |  | - |
| OPUSAT-II (JL3ZKS) | - | 145.900 | CW | Mode U - CW 80cpm | re-entered |  | - |
| ORB-12 STRIDER | - | 2260.000 | FM | Mode S - Transmitter | active |  | - |
| ORBASTRO-AF-1 (2023-054B) | - | 2255.979 | BPSK | S-band telemetry | re-entered |  | - |
| ORBASTRO-AF-1 (2023-054B) | - | 2255.779 | FM | S-band telemetry | re-entered |  | - |
| ORBASTRO-PC-1 (2023-174C) | - | 2260.000 | FM | S-band telemetry | active |  | - |
| Orbastro-TR5 (2025-052AC) | - | 2277.987 | FM | S-band telemetry | active |  | - |
| Orbastro-TR5 (2025-052AC) | - | 2260.000 | BPSK | S-band telemetry | active |  | - |
| ORBCOMM FM 36 | - | 400.100 | CW | CW | active |  | - |
| ORBCOMM FM 36 | - | 137.560 | OQPSK | Ground station link | active |  | - |
| ORBCOMM FM 36 | - | 137.440 | DPSK | Orbcomm Mode V | active |  | - |
| ORBCOMM FM107 (2014-040B) | - | 137.250 | - | Telemetry | active |  | - |
| Orbcomm FM108 (2015-081J) | - | 137.713 | FM | Telemetry | active |  | - |
| Orbcomm FM108 (2015-081J) | - | 137.460 | FM | Telemetry | active |  | - |
| ORBCOMM FM109 (2014-040A) | - | 137.250 | FM | Telemetry | active |  | - |
| Orbcomm FM110 (2015-081D) | - | 137.288 | FM | Telemetry | active |  | - |
| Orbcomm FM112 (2015-081F) | - | 137.663 | FM | Telemetry | active |  | - |
| Orbcomm FM112 (2015-081F) | - | 137.800 | FM | Telemetry | active |  | - |
| Orbcomm FM113 (2015-081G) | - | 137.663 | FM | Telemetry | active |  | - |
| Orbcomm FM113 (2015-081G) | - | 137.800 | FM | Telemetry | active |  | - |
| Orbcomm FM114 (2015-081A) | - | 137.288 | FM | Telemetry | active |  | - |
| Orbcomm FM114 (2015-081A) | - | 137.740 | FM | Telemetry | active |  | - |
| Orbcomm FM116 (2015-081L) | - | 137.663 | FM | Telemetry | active |  | - |
| Orbcomm FM116 (2015-081L) | - | 137.800 | FM | Telemetry | active |  | - |
| Orbcomm FM117 (2015-081K) | - | 137.460 | FM | Telemetry | active |  | - |
| Orbcomm FM117 (2015-081K) | - | 137.713 | FM | Telemetry | active |  | - |
| ORBCOMM FM118 (2015-081E) | - | 137.288 | FM | Telemetry | active |  | - |
| Orbicraft-Zorkiy (RS15S) | - | 10465.000 | DVB-S2 | Mode X - DVB-S2 | re-entered |  | - |
| Orbicraft-Zorkiy (RS15S) | - | 437.850 | GMSK | Mode U - GMSK9k6 USP FEC A | re-entered |  | - |
| Orbicraft-Zorkiy (RS15S) | - | 437.850 | SSTV | Mode U SSTV | re-entered |  | - |
| Orbicraft-Zorkiy (RS15S) | - | 437.850 | GMSK USP | Mode U - GMSK2k4 USP FEC A | re-entered |  | - |
| Orbicraft-Zorkiy (RS15S) | - | 437.950 | GMSK USP | Mode U - GMSK9k6 USP FEC B | re-entered |  | - |
| Orbital Factory 2 (OF-2) | - | 435.040 | GMSK | Mode U GMSK9k6 | re-entered |  | - |
| Orbital Factory 2 (OF-2) | - | 2426.000 | QPSK | Mode S GPSK 3-5Mbps | re-entered |  | - |
| Orbiter SN3 | - | 2245.000 | FM | Mode S - Transmitter | active |  | - |
| ORBWEAVER 1 | - | 400.176 | FM | Mode U - Possibly Downlink | re-entered |  | - |
| ORCASat (Optical Reference Calibration Satellite) | - | 437.060 | FSK | UHF PN9 2-FSK Downlink | re-entered |  | - |
| ORESAT0 | - | 436.500 | GMSK | Mode U - GMSK96k | re-entered |  | - |
| ORESAT0 | - | 436.500 | FSK | Mode U - FSK9k6 APRS | re-entered |  | - |
| ORESAT0.5 | - | 436.500 | GMSK | 9k6 TLM | active |  | - |
| ORESAT0.5 | - | 2422.000 | DBPSK | spread spectrum DBPSK 1 Mbit/s for bulk data | inactive |  | - |
| OrigamiSat-1 (FO-98) | - | 5840.000 | FSK | FSK (NRZ) - 420KF1D | re-entered |  | - |
| OrigamiSat-1 (FO-98) | - | 437.505 | CW | CW Beacon | re-entered |  | - |
| OrigamiSat-1 (FO-98) | - | 437.499 | CW | CW Beacon - Drifted | re-entered |  | - |
| OrigamiSat-1 (FO-98) | - | 437.499 | AFSK | AFSK1k2 TLM | re-entered |  | - |
| ORSTED (Ørsted) | 2114.000 | 2296.000 | BPSK | Radio B | active |  | - |
| ORSTED (Ørsted) | - | 2215.000 | BPSK | Radio A | active |  | - |
| OSIRIS-REx (Origins) | - | 8445.538 | FM | Mode X - DSN | active |  | - |
| OSM-1 CICERO (TYVAK-0088) | - | 401.120 | GMSK | Downlink | re-entered |  | - |
| OSW Cazorla (Blue Marble Synthesizer) | - | 2220.000 | FM | Mode S - Transmitter | active |  | - |
| OSW Cazorla (Blue Marble Synthesizer) | - | 2203.700 | FM | Test s-band telemetry | active |  | - |
| OTP-2 | - | 2222.500 | FSK | Mode S - FSK 50k - Transmitter | inactive |  | - |
| OTP-2 | - | 400.500 | GFSK | Mode U - GFSK4k8 - AX.25 - Telemetry | active |  | - |
| OTTER | - | 401.025 | GMSK | Mode U - Transmitter | active |  | - |
| Otter Pup (WN2XEL) | - | 400.500 | GFSK | Mode U - GFSK38k4 | active |  | - |
| Otter Pup 2 | - | 400.500 | GFSK | Mode U - GFSK38k4 | active |  | - |
| OUFTI-1 | - | 145.980 | CW | Mode V Beacon | re-entered |  | - |
| OUFTI-1 | 435.045 | 145.950 | DSTAR | Mode U/V D-STAR | re-entered |  | - |
| Outpost Mission 1 (Outpost Mission 0) | - | 401.050 | FM | Mode U - Transmitter | active |  | - |
| Outpost Mission 1 (Outpost Mission 0) | - | 401.500 | FM | Mode U - Transmitter | active |  | - |
| Outpost Mission 2 | - | 401.250 | FM | Mode U - Transmitter | active |  | - |
| Outpost Mission 2 | - | 401.500 | FM | Mode U - Transmitter | active |  | - |
| OV3-3 | - | 258.480 | USB | carrier wave | active |  | - |
| OXP-1 | - | 137.050 | PSK | 137.05 PCM/PSK 1200 bps HDLC | active |  | - |
| PACE (2024-026A) | - | 2273.130 | FM | S-band telemetry | active |  | - |
| PACE-1 (2021-059AG) | - | 2283.072 | FM | S-band telemetry | active |  | - |
| PACSAT (AO-16) | - | 437.026 | CW | Mode U TLM CW | active |  | - |
| PACSAT (AO-16) | - | 437.051 | BPSK | Secondary Payload | active |  | - |
| PACSAT (AO-16) | - | 437.026 | BPSK | Primary Payload | active |  | - |
| PADRE | - | 2277.500 | FM | Mode S - Unknown modulation | active |  | - |
| PADRE | - | 401.360 | GMSK | Mode U - GMSK4k8 | active |  | - |
| PADRE | - | 401.360 | GMSK | Mode U - GMSK9k6 - Telemetry | inactive |  | - |
| PAINANI-1 | - | 437.475 | GMSK | Mode U FSK9k6 | re-entered |  | - |
| PAINANI-2 (Painani-II) | - | 437.475 | GMSK | Mode U - GMSK9k6 AX.25 | re-entered |  | - |
| PAINANI-2 (Painani-II) | - | 2410.300 | FM | Mode S - FM | re-entered |  | - |
| Paktes 1A (2018-056A) | - | 2245.500 | FM | S Band Center | active |  | - |
| Paktes 1A (2018-056A) | - | 2250.000 | FM | S-band telemetry | active |  | - |
| Paktes 1A (2018-056A) | - | 401.415 | FM | Telemetry | active |  | - |
| PANDORA | - | 2211.900 | FM | Mode S - Transmitter | active |  | - |
| PARS 1 | - | 145.000 | FM | Mode V - ODS V/TTCR V | active |  | - |
| PARS 1 | - | 2221.000 | FM | Mode S - TTCM S | active |  | - |
| PARUS-6U1 (PARUS-T3) | - | 437.195 | GMSK | UHF TT&C | future |  | - |
| PARUS-6U1 (PARUS-T3) | - | 145.825 | AFSK | Mode V - AFSK1k2 - APRS | future |  | - |
| PARUS-6U1 (PARUS-T3) | - | 2402.000 | FM | Mode S - Transmitter - 750kbps | future |  | - |
| Parus-MGTU (Парус-МГТУ) | - | 437.200 | MSK | Mode U - MSK 12k | re-entered |  | - |
| PARUS-T1 (BN0TIT) | 145.825 | 145.825 | AFSK | V/V 1k2 AFSK Digipeater | active |  | - |
| PARUS-T1 (BN0TIT) | - | 436.850 | AFSK | Telemetry | active |  | - |
| PARUS-T1A | - | 437.850 | AFSK | Mode U TLM | re-entered |  | - |
| PARUS-T1A | 145.980 | 435.250 | FM | FM Repeater | re-entered |  | - |
| PARUS-T1A | - | 145.825 | AFSK | Mode APRS | re-entered |  | - |
| PARUS-T2 (BN0TIT) | 145.825 | 145.825 | AFSK | V/V Digipeater | inactive |  | - |
| PARUS-T2 (BN0TIT) | 145.980 | 435.250 | FM | V/U FM Repeater | inactive |  | - |
| PARUS-T2 (BN0TIT) | - | 437.850 | AFSK | Mode U - AFSK1k2 | active |  | - |
| Pathfinder Risk Reduction (TYVAK-0129 Pony Express 1) | - | 400.740 | FSK | Downlink | re-entered |  | - |
| PAUSAT1 | - | 2262.500 | FM | Mode S - Transmitter | active |  | - |
| PAUSAT1 | - | 8342.500 | FM | Mode X - Transmitter | active |  | - |
| PAZ (2018-020A) | - | 8150.000 | FM | Mode X dumps (Spain) | active |  | - |
| PAZ (2018-020A) | - | 2284.991 | FM | Mode S - wideband | active |  | - |
| PCSAT (NO-44) | 145.825 | 145.825 | AFSK | Mode V/V APRS AFSK | active |  | - |
| PCSAT (NO-44) | - | 145.827 | AFSK | PE0SAT - 1k2 AFSK APRS | active |  | - |
| PCSAT (NO-44) | - | 144.390 | AFSK | Mode V - R2 Backup APRS 1K2 | active |  | - |
| PEARL-1C (Foxconn PEARL-1C) | - | 435.310 | GMSK | UHF 9k6 Telemetry | re-entered |  | - |
| PEARL-1H | - | 435.390 | GMSK | UHF 9k6 Telemetry | re-entered |  | - |
| PEARLAFRICASAT-1 (BIRDS-5:) | - | 145.825 | AFSK | Mode V APRS | re-entered |  | - |
| PEARLAFRICASAT-1 (BIRDS-5:) | - | 437.375 | CW | Mode U CW TLM | re-entered |  | - |
| PEARLAFRICASAT-1 (BIRDS-5:) | - | 437.375 | GMSK | Mode U GMSK AX.25 TLM | re-entered |  | - |
| PEGASUS (AT03) | - | 436.670 | GFSK | UHF 9k6 GFSK | re-entered |  | - |
| PERSAT01 | - | 437.125 | FM | Mode U - Transmitter | active |  | - |
| PERSEUS M1 | - | 400.170 | GFSK | GFSK | active |  | - |
| petitSat (Plasma Enhancements in the Ionosphere-Thermosphere Satellite) | - | 2273.480 | FM | S-band data downlink | re-entered |  | - |
| Phase 3-B (AO-10
OSCAR-10) | - | 145.987 | CW | Engineering Beacon | active |  | - |
| Phase 3-B (AO-10
OSCAR-10) | - | 145.810 | CW | Beacon (unmodulated carrier) | active |  | - |
| Phase 3-B (AO-10
OSCAR-10) | 435.030 - 435.180 | 145.825 - 145.975 | LSB | Mode-B Transponder | inactive |  | - |
| Phase 3-D (OSCAR-40) | - | 145.898 | BPSK | 2m Middle Beacon | inactive |  | - |
| Phase 3-D (OSCAR-40) | - | 435.850 | BPSK | 70cm Engineering Beacon | inactive |  | - |
| Phase 3-D (OSCAR-40) | - | 2400.200 | BPSK | 13cm General Beacon | inactive |  | - |
| Phase 3-D (OSCAR-40) | - | 2400.600 | BPSK | 13cm Engineering Beacon | inactive |  | - |
| Phase 3-D (OSCAR-40) | - | 10451.000 | BPSK | 3cm General Beacon | inactive |  | - |
| Phase 3-D (OSCAR-40) | - | 10451.400 | BPSK | 3cm Engineering Beacon | inactive |  | - |
| Phase 3-D (OSCAR-40) | - | 24048.000 | BPSK | 1.5 cm General Beacon | inactive |  | - |
| Phase 3-D (OSCAR-40) | - | 24048.400 | BPSK | 1.5 cm Engineering Beacon | inactive |  | - |
| Phase 3-D (OSCAR-40) | - | 435.450 | BPSK | 70cm General Beacon | active |  | - |
| PHASMA-DIRAC | - | 400.550 | FSK | Mode U - FSK50k - Telemetry | active |  | - |
| PHASMA-DIRAC | - | 2208.000 | FSK | Mode S - FSK400k - Transmitter | active |  | - |
| PHASMA-LAMARR | - | 400.600 | FSK | Mode U - FSK50k - Telemetry | active |  | - |
| PHASMA-LAMARR | - | 2210.000 | FSK | Mode S - FSK400k - Transmitter | active |  | - |
| PHI-1 | - | 436.850 | GMSK | Mode U - GMSK9k6 - Transmitter | active |  | - |
| PHI-1 | - | 2230.000 | FM | Mode S - Transmitter | active |  | - |
| PHOENIX (TW01
ON01TW) | - | 436.915 | FSK | TLM FSK | re-entered |  | - |
| Phoenix (ASU) | - | 437.250 | GMSK | Telemetry (factory default) | re-entered |  | - |
| Phoenix (ASU) | 437.350 | 437.350 | MSK AX.100 Mode 6 | Mode U GMSK9k6 AX.25 TLM | re-entered |  | - |
| Phoenix One | - | 434.000 | MSK AX.100 Mode 5 | Mode U - GMSK41k9 - GOMSPACE AX100 | re-entered |  | - |
| PHONESAT 2.4 | - | 437.425 | AFSK | 1k2 AFSK TLM | re-entered |  | - |
| PHOTON-04 (W-Series 1) | - | 2272.500 | FM | Mode S - Transmitter | active |  | - |
| PIAST-M | - | 2273.000 | FM | Mode S - Transmitter | active |  | - |
| PIAST-S1 | - | 2280.000 | FM | Mode S - Transmitter | active |  | - |
| PIAST-S2 | - | 2287.000 | FM | Mode S - Transmitter | active |  | - |
| PIC-A | - | 903.800 | GMSK | Mode U - GMSK19k2 | re-entered |  | - |
| PIC-B | - | 903.400 | GMSK | Mode U - GMSK19k2 | re-entered |  | - |
| Picacho | - | 401.500 | GMSK | UHF 9k6 Telemetry | re-entered |  | - |
| PICASSO (PICASSO-BEL PICosatellite for Atmospheric and Space Science Observations) | - | 400.775 | FM | Downlink | re-entered |  | - |
| PICASSO (PICASSO-BEL PICosatellite for Atmospheric and Space Science Observations) | - | 149.850 | FM | Mode V | re-entered |  | - |
| PICO-1A-1 (Apogeo Space 1) | - | 454.100 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1A-1 (Apogeo Space 1) | - | 454.300 | LoRa | Mode U 2 - LoRa | active |  | - |
| PICO-1A-2 (Apogeo Space 2) | - | 454.100 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1A-2 (Apogeo Space 2) | - | 454.300 | LoRa | Mode U 2 - LoRa | active |  | - |
| PICO-1A-3 (Apogeo Space 3) | - | 454.100 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1A-3 (Apogeo Space 3) | - | 454.300 | LoRa | Mode U 2 - LoRa | active |  | - |
| PICO-1A-4 (Apogeo Space 4) | - | 454.300 | LoRa | Mode U 2 - LoRa | active |  | - |
| PICO-1A-4 (Apogeo Space 4) | - | 454.100 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1A-5 (Apogeo Space 5) | - | 454.100 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1A-5 (Apogeo Space 5) | - | 454.300 | LoRa | Mode U 2 - LoRa | active |  | - |
| PICO-1A-6 (Apogeo Space 6) | - | 454.300 | LoRa | Mode U 2 - LoRa | active |  | - |
| PICO-1A-6 (Apogeo Space 6) | - | 454.100 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1A-7 (Apogeo Space 7) | - | 454.300 | LoRa | Mode U 2 - LoRa | active |  | - |
| PICO-1A-7 (Apogeo Space 7) | - | 454.100 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1A-8 (Apogeo Space 8) | - | 454.100 | LoRa | Mode U - LoRa | re-entered |  | - |
| PICO-1A-8 (Apogeo Space 8) | - | 454.300 | LoRa | Mode U 2 - LoRa | re-entered |  | - |
| PICO-1A-9 (Apogeo Space 9) | - | 454.300 | LoRa | Mode U 2 - LoRa | active |  | - |
| PICO-1A-9 (Apogeo Space 9) | - | 454.100 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1B-1 | - | 450.188 | LoRa | Mode U - LoRa | re-entered |  | - |
| PICO-1B-2 | - | 450.063 | LoRa | Mode U - LoRa | re-entered |  | - |
| PICO-1B-3 | - | 450.188 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1B-4 | - | 450.063 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1B-5 | - | 450.188 | LoRa | Mode U - LoRa | re-entered |  | - |
| PICO-1B-6 | - | 450.063 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1B-7 | - | 450.188 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1B-8 | - | 450.063 | LoRa | Mode U - LoRa | active |  | - |
| PICO-1B-9 | - | 450.188 | LoRa | Mode U - LoRa | active |  | - |
| PICSAT | - | 435.004 | BPSK | BPSK Telemetry (drifted) | re-entered |  | - |
| PICSAT | 145.910 | 435.525 | FM | MODE V/U FM VOICE | re-entered |  | - |
| PICSAT | - | 435.525 | BPSK | 9k6 BPSK Telemetry | re-entered |  | - |
| PICSAT | - | 435.525 | BPSK | 1k2 BPSK Telemetry | re-entered |  | - |
| Pilot-1 (FossaSat-2E3) | - | 401.700 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| Pilot-1 (FossaSat-2E3) | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| Ping'an 3 (Object A) | - | 401.050 | FM | UHF Unknown | re-entered |  | - |
| Ping'an 3 (Object A) | - | 399.000 | BPSK | UHF Unknown | re-entered |  | - |
| Ping'an 3 (Object A) | - | 401.050 | GFSK | Mode U - GFSK | re-entered |  | - |
| PION-BR1 | - | 437.300 | GFSK | Mode U - GFSK1k2 NGHam | re-entered |  | - |
| PIXL-1 (CubeL) | - | 2262.500 | FM | DATAS | active |  | - |
| PIXL-1 (CubeL) | - | 400.575 | MSK AX.100 Mode 5 | UHFD | active |  | - |
| Planetum1 (Planetum-1) | - | 436.680 | CW | Mode U - CW | re-entered |  | - |
| Planetum1 (Planetum-1) | 436.680 | 436.680 | GFSK | Mode U/U - GFSK 9k6 AX.25 G3RUH | re-entered |  | - |
| Planetum1 (Planetum-1) | 145.925 | 145.925 | GFSK | Mode V/V - GFSK 9k6 AX.25 G3RUH | re-entered |  | - |
| PlantSat | 437.240 | 437.240 | FSK AX.100 Mode 5 | Mode U - FSK 4k8 AX.100 | re-entered |  | - |
| PlantSat | - | 437.250 | FSK AX.100 Mode 5 | Mode U - FSK 4k8 AX.100 | re-entered |  | - |
| Platform-1 (SharedSat_2141) | - | 400.360 | GFSK | Mode U - GFSK9k6 AX.25 G3RUH | re-entered |  | - |
| Platform-1 (SharedSat_2141) | - | 400.360 | GFSK | Mode U - GFSK2k4 AX.25 G3RUH | re-entered |  | - |
| Platform-1 (SharedSat_2141) | - | 400.360 | GFSK | Mode U - GFSK4k8 AX.25 G3RUH | re-entered |  | - |
| Platform-2 (SharedSat_2211) | - | 401.360 | GFSK | Mode U - GFSK4k8 AX.25 G3RUH | re-entered |  | - |
| Platform-5 (SHAREDSAT_22) | - | 2277.500 | FM | Mode S - Transmitter | re-entered |  | - |
| Platform-5 (SHAREDSAT_22) | - | 401.360 | GMSK | UHF 4k8 Telemetry | re-entered |  | - |
| Platform-5 (SHAREDSAT_22) | - | 137.100 | LoRa | Mode V - LoRa - OWL Beacon | re-entered |  | - |
| Platform-6 | - | 401.360 | GMSK | Mode U - Transmitter | future |  | - |
| PLEIADES 1B (2021-068A) | - | 2269.200 | BPSK | S-band telemetry | active |  | - |
| Pleiades Yearling (Pleiades Yearling 2.0) | - | 437.400 | LoRa | Primary Downlink / Uplink | re-entered |  | - |
| PLEIADES-ORPHEUS | - | 437.400 | LoRa | Mode U - LoRa | active |  | - |
| Pleiades-Squared | - | 437.400 | LoRa | Mode U - LoRa | active |  | - |
| Pleiades-Squared | 437.400 | 437.400 | LoRa | Mode U Beacon | active |  | - |
| Pleiades-Squared | - | 437.400 | FSK | Mode U - FSK | active |  | - |
| Pleiades-Yearling (PROVES-Yearling) | - | 437.400 | LoRa | Primary Downlink / Uplink | dead |  | - |
| PNEO3 (2021-034A) | - | 2265.863 | BPSK | S-band telemetry | active |  | - |
| PNEO4 (2021-073E) | - | 2265.862 | BPSK | S-band telemetry | active |  | - |
| POLAR | - | 2264.985 | FM | Mode S | active |  | - |
| PolarCube | - | 401.365 | FSK | Mode U - FSK4k8 - Cesium-3 | re-entered |  | - |
| POLYITAN-1 (EM0UKP) | - | 437.675 | FSK | 9k6 FSK TLM | active |  | - |
| POLYITAN-1 (EM0UKP) | - | 437.676 | FSK | PE0SAT - 9k6 FSK TLM | inactive |  | - |
| POLYITAN-2-SAU | - | 436.600 | BPSK | TLM 9k6 BPSK | re-entered |  | - |
| Polytech Universe 1 | - | 437.576 | LoRa | Polytech 1 437.576 | re-entered |  | - |
| Polytech Universe 1 | - | 437.476 | LoRa | Polytech 1 437.476 | re-entered |  | - |
| Polytech Universe 1 | - | 436.896 | LoRa | LoRa U | re-entered |  | - |
| Polytech Universe 2 | - | 436.896 | LoRa | LoRa U probable | re-entered |  | - |
| Polytech Universe 2 | - | 437.476 | LoRa | Polytech 2 437.476 | re-entered |  | - |
| Polytech Universe 2 | - | 437.576 | LoRa | Polytech 2 437.576 | re-entered |  | - |
| Polytech Universe 6 (RS10S) | - | 436.350 | LoRa | Mode U - LoRa | active |  | - |
| Polytech Universe-3 (RS46S) | - | 436.550 | LoRa | Mode U - LoRa 62.5k | active |  | - |
| Polytech Universe-3 (RS46S) | - | 436.550 | FSK | [Experiment] LoRa (62.5 kHz bandwidth) (as FSK) | active |  | - |
| Polytech Universe-4 (RS71S) | - | 435.250 | LoRa | Mode U - LoRa 62.5k | active |  | - |
| Polytech Universe-4 (RS71S) | - | 435.250 | FSK | [Experiment] LoRa (62.5 kHz bandwidth) (as FSK) | active |  | - |
| Polytech Universe-5 (RS70S) | - | 436.350 | FSK | [Experiment] LoRa (62.5 kHz bandwidth) (as FSK) | active |  | - |
| Polytech Universe-5 (RS70S) | - | 437.885 | LoRa | Mode U - LoRa BW: 62.5k SF: 8 | active |  | - |
| Pony Express-2 SV1 (TYVAK-0261) | - | 2492.000 | QPSK | Mode S - QPSK - Payload Transmitter | active |  | - |
| Pony Express-2 SV1 (TYVAK-0261) | - | 400.840 | GMSK | Mode U - GMSK19k6 | active |  | - |
| Pony Express-2 SV1 (TYVAK-0261) | - | 8380.000 | FM | Mode X - Payload Data | active |  | - |
| Pony Express-2 SV2 (TYVAK-0262) | - | 2492.000 | QPSK | Mode S - QPSK - Payload Transmitter | active |  | - |
| Pony Express-2 SV2 (TYVAK-0262) | - | 401.340 | GMSK | Mode U - GMSK19k6 | active |  | - |
| Pony Express-2 SV2 (TYVAK-0262) | - | 8320.000 | FM | Mode X - Payload Data | active |  | - |
| POQUITO | - | 437.050 | CW | Mode U - CW Beacon | active |  | - |
| POQUITO | - | 437.050 | GFSK | Mode U - GFSK9k6 -Telemetry | active |  | - |
| PRATHAM | - | 437.455 | FSK | Mode U FSK1200 AX25 | active |  | - |
| PRATHAM | - | 145.980 | CW | CW | active |  | - |
| PRECURSOR | 435.013 - 435.038 | 145.963 - 145.988 | USB | Mode U/V Transponder | future |  | - |
| PRECURSOR | - | 144.015 | GMSK | Mode V - BCN/TLM | future |  | - |
| PRECURSOR | 1261.250 - 1261.750 | 2400.600 - 2401.100 | USB | Mode L/S Transponder | future |  | - |
| PREFIRE-1 (2024-108A) | - | 2212.500 | BPSK | S-band telemetry | active |  | - |
| PREFIRE-1 (2024-108A) | - | 2212.100 | BPSK | S-band telemetry | active |  | - |
| PREFIRE-2 (2024-099A) | - | 2212.500 | - | S-band telemetry | active |  | - |
| PRETTY (Passive REflecTomeTry and dosimetrY) | - | 2244.220 | FM | Mode S | active |  | - |
| PRETTY (Passive REflecTomeTry and dosimetrY) | - | 137.740 | GFSK | Mode V - TLM | active |  | - |
| PRETTY (Passive REflecTomeTry and dosimetrY) | - | 2250.000 | BPSK | S-band telemetry | active |  | - |
| PRISM (HITOMI) | - | 437.425 | AFSK | Mode U FM 1200 | re-entered |  | - |
| PRISM (HITOMI) | - | 437.425 | GMSK | Mode U FM 9600 | re-entered |  | - |
| PRISM (HITOMI) | - | 437.250 | CW | Mode U CW | re-entered |  | - |
| PRISMA (2019-015A) | - | 2283.500 | BPSK | S-band telemetry | active |  | - |
| PROBA-1 | - | 2235.000 | BPSK | Mode S Dumps (2048000 bd) | active |  | - |
| PROBA-2 | - | 2235.000 | BPSK | S-Band BPSK | active |  | - |
| PROBA-2 | - | 2235.000 | BPSK | S-Band 128000 BPSK Experimental | active |  | - |
| PROBA-V | - | 2235.000 | BPSK | S-Band 128000 BPSK Experimental | active |  | - |
| PROBA-V | - | 2235.000 | BPSK | S-Band BPSK | inactive |  | - |
| PROITERES | - | 437.485 | CW | Mode U CW TLM | active |  | - |
| PROMETHEUS-1 | - | 437.400 | LoRa | Mode U - LoRa | active |  | - |
| PROSPERO (BLACK ARROW
X-3) | - | 137.560 | FSK | Mode V PCM 2048 bit/s | active |  | - |
| ProtoMéthée-1 | - | 401.050 | FM | Mode U - Transmitter | active |  | - |
| ProtoMéthée-1 | - | 401.450 | FM | Mode U - Transmitter | active |  | - |
| ProtoMéthée-1 | - | 402.925 | FM | Mode U - Transmitter | active |  | - |
| ProtoMéthée-1 | - | 2222.000 | FM | Mode S - Transmitter | active |  | - |
| ProtoMéthée-1 | - | 2262.000 | FM | Mode S - Transmitter | active |  | - |
| ProtoMéthée-1 | - | 2280.700 | FM | Mode S - Transmitter | active |  | - |
| PROTOSAT-1 (2024-201B) | - | 2230.392 | BPSK | S-band telemetry | active |  | - |
| Prox-1 (Nanosat-7) | - | 2306.500 | FSK | MODE S FSK38k4 | active |  | - |
| PRSC-S1 (2025-164A) | - | 2209.200 | FM | S-band telemetry | active |  | - |
| PRSS 1 (2018-056B) | - | 2275.438 | FM | S-band telemetry | active |  | - |
| PSAT-2 (NO-104) | 145.825 | 145.825 | AFSK | Mode V/V AFSK1k2 APRS Digipeater | re-entered |  | - |
| PSAT-2 (NO-104) | - | 435.350 | SSTV | Mode U SSTV active in sun | re-entered |  | - |
| PSAT-2 (NO-104) | 29.350 | 435.350 | PSK31 | Mode A/U PSK31 active in sun | re-entered |  | - |
| PTD-3 (TYVAK-0125) | - | 401.206 | FSK | UHF Unknown | re-entered |  | - |
| PTD-4, PT4F1N | - | 401.205 | FSK | Mode U - FSK9k6 | active |  | - |
| PTD-R (TYVAK-0127) | - | 2213.200 | BPSK | S-band telemetry | active |  | - |
| PTD-R (TYVAK-0127) | - | 401.205 | FSK | Mode U - FSK9k6 | active |  | - |
| PUNCH-NFI00 (2025-047A) | - | 2216.100 | FM | S-band telemetry | active |  | - |
| PVCC (VGT-CC) | - | 8175.500 | BPSK | X-Band transmitter | active |  | - |
| PVCC (VGT-CC) | - | 2221.000 | BPSK | S-Band Transmitter | active |  | - |
| PW-6U | - | 401.100 | FM | UHF | active |  | - |
| PW-6U | - | 2265.500 | FM | S-Band | active |  | - |
| PW-Sat2 | - | 435.275 | BPSK | UHF BPSK9k6 Telemetry | re-entered |  | - |
| PW-Sat2 | - | 435.275 | BPSK | UHF BPSK1k2 Telemetry | re-entered |  | - |
| PW-Sat2 | - | 435.275 | BPSK | UHF BPSK2k4 Telemetry | re-entered |  | - |
| PW-Sat2 | - | 435.275 | BPSK | UHF BPSK4k8 Telemetry | re-entered |  | - |
| PY4-1 | - | 915.600 | LoRa | Mode U - LoRa | re-entered |  | - |
| PY4-2 | - | 915.600 | LoRa | Mode U - LoRa | re-entered |  | - |
| PY4-3 | - | 915.600 | LoRa | Mode U - LoRa | re-entered |  | - |
| PY4-4 | - | 915.600 | LoRa | Mode U - LoRa | re-entered |  | - |
| PyCubed-1 | - | 437.290 | LoRa | Mode U - LoRa | future |  | - |
| PYXIS | - | 2278.250 | FM | Mode S - Downlink | active |  | - |
| PYXIS | - | 8175.000 | FM | Mode X - Downlink | active |  | - |
| Q-PACE | - | 2412.500 | FM | Mode S | re-entered |  | - |
| Q-PACE | - | 437.275 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| QAEM 100 R/B | - | 435.000 | FSK | Mode U FSK | active |  | - |
| QAEM 100 R/B | - | 437.540 | FSK | Mode U FSK Wide | active |  | - |
| QARMAN (ON05BE) | - | 437.350 | GMSK | Mode U GMSK9k6 AX.25 TLM | re-entered |  | - |
| QB50P1 (EO 79) | - | 145.815 | BPSK | BPSK Telemetry | active |  | - |
| QB50P1 (EO 79) | - | 145.814 | BPSK | PE0SAT - 1k2 BPSK TLM | active |  | - |
| QB50P1 (EO 79) | 435.047 - 435.077 | 145.935 - 145.965 | USB | Linear Transponder | active |  | - |
| QB50P1 (EO 79) | - | 145.880 | CW | CW Beacon | active |  | - |
| QB50P2 (EO 80) | - | 145.880 | CW | CW Beacon | active |  | - |
| QB50P2 (EO 80) | - | 145.879 | BPSK | PE0SAT - 1k2 BPSK TLM | active |  | - |
| QBEE (SE01
ON01SE) | - | 435.800 | GFSK | TLM GFSK | re-entered |  | - |
| QBITO (ES01 ON01ES) | - | 436.810 | GFSK | TLM GFSK | re-entered |  | - |
| QBUA01 (PolyItan HP-30) | - | 436.600 | BPSK | Mode U - BPSK9k6 | re-entered |  | - |
| QBUA01 (PolyItan HP-30) | - | 436.025 | FM | Check | re-entered |  | - |
| Qiancheng-01 (Haichuang Qiangsheng) | - | 401.400 | FM | Mode U | re-entered |  | - |
| Qilu 4 (OBJECT B) | - | 401.680 | FM | Downlink | re-entered |  | - |
| QMR-KWT (LZ0KWT) | - | 436.500 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| QMR-KWT (LZ0KWT) | - | 436.500 | CW | Mode U - CW | re-entered |  | - |
| QMR-KWT 2 (RS95S) | 145.920 | 436.950 | FM | V/U FM Transponder | inactive |  | - |
| QMR-KWT 2 (RS95S) | - | 436.950 | GMSK | Mode U - GMSK2k4 - Telemetry | active |  | - |
| QMR-KWT 2 (RS95S) | - | 436.950 | SSTV | SSTV | active |  | - |
| QMSat | - | 437.370 | GMSK | Mode U - 9K6 GMSK AX.25 | re-entered |  | - |
| QPS-SAR-2 (IZANAMI 2021-006CA) | - | 2253.988 | FM | S-band telemetry | re-entered |  | - |
| QPS-SAR-6 (AMATERU-III) | - | 924.300 | FM | Mode U - Transmitter | re-entered |  | - |
| QPS-SAR-6 (AMATERU-III) | - | 2254.000 | FM | Mode S - Transmitter | re-entered |  | - |
| QPS-SAR-6 (AMATERU-III) | - | 8174.500 | FM | Mode X - Transmitter | re-entered |  | - |
| QPS-SAR-7 (Tsukuyomi 2) | - | 2254.000 | FM | Mode S - Downlink | active |  | - |
| QPS-SAR-8 | - | 2254.000 | FM | Mode S - Transmitter | active |  | - |
| QUAKESAT | - | 436.675 | FSK | Mode U - GMSK 9k6 (G3RUH) TLM | active |  | - |
| QUANTUTONG 1 (QTT 1TY-6TianYi 6) | - | 436.100 | FSK | 9600 TLM | re-entered |  | - |
| QUBE (DP2QU) | - | 435.600 | FSK | Mode U - FSK9k6 - Transmitter | active |  | - |
| QubeSat | - | 437.740 | FSK | Mode U - FSK5k5 | re-entered |  | - |
| QUBIK 1 | 435.240 | 435.240 | GFSK/BPSK | Telemetry | re-entered |  | - |
| QUBIK 2 | 435.340 | 435.240 | FSK | Telemetry | re-entered |  | - |
| QUBIK 3 | 435.240 | 435.240 | GFSK/BPSK | Mode U - Telemetry GFSK/BPSK 9k6 | re-entered |  | - |
| QUBIK 4 | 435.340 | 435.240 | GFSK/BPSK | Mode U - Telemetry GFSK/BPSK 9k6 | re-entered |  | - |
| Quetzal-1 (Guatesat 1) | - | 437.200 | GMSK | Telemetry | re-entered |  | - |
| QUICK³ (2025-135AG) | - | 2282.500 | FM | S-band telemetry | active |  | - |
| QUICK³ (2025-135AG) | - | 401.050 | GFSK | UHF Telemetry | active |  | - |
| R2 | - | 401.050 | FM | UHF Unknown | active |  | - |
| R5-S2-2.0 | - | 1621.250 | FM | Mode L - Transmitter | active |  | - |
| R5-S4 | - | 1621.250 | FM | Mode L - Transmitter | active |  | - |
| RAAF M2 A | - | 449.538 | GMSK | Mode U - Unknown | re-entered |  | - |
| RAAF M2 B | - | 449.538 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| Raavana-1 (JG6YLG) | - | 437.375 | GMSK | UHF GMSK4k8 | re-entered |  | - |
| Raavana-1 (JG6YLG) | - | 437.375 | CW | UHF CW TLM | re-entered |  | - |
| RADARSAT 2 (2007-061A) | - | 2230.000 | FM | S-band telemetry | active |  | - |
| RADCUBE | - | 401.750 | GMSK | Telemetry | re-entered |  | - |
| RADCUBE | - | 401.750 | GMSK | Wide band transmitter | re-entered |  | - |
| RADIO ROSTO (RS-15) | 145.858 - 145.898 | 29.354 - 29.394 | USB | V/T (Mode A) Transponder | inactive |  | - |
| RADIO ROSTO (RS-15) | - | 29.353 | CW | Mode T TLM 1 | active |  | - |
| RADIO ROSTO (RS-15) | - | 29.399 | CW | Mode T TLM 2 | inactive |  | - |
| RADSAT-G | - | 437.425 | GMSK | GMSK TLM AX.25 | re-entered |  | - |
| RADSAT-G | - | 437.425 | GMSK | Mode U GMSK9k6 AX.25 TLM | re-entered |  | - |
| RadSat-SK | - | 435.400 | GMSK | Mode U - GMSK 9K6 AX.25 | re-entered |  | - |
| RadSat-SK | 145.830 | 435.400 | FM | Mode V/U FM Transponder | re-entered |  | - |
| RadSat-U (WJ2XXC) | - | 437.425 | GMSK | Mode U GMSK19k2 | re-entered |  | - |
| RADUGA-1M 2 (Globus-M 12L) | - | 3775.000 | FM | Mode C1 | active |  | - |
| RADUGA-1M 2 (Globus-M 12L) | - | 3800.000 | FM | Mode C2 | active |  | - |
| RADUGA-1M 2 (Globus-M 12L) | - | 3941.750 | FM | Mode C3 | active |  | - |
| RAINCUBE (Radar in a CubeSat) | - | 400.800 | - | Downlink | re-entered |  | - |
| RamSat | - | 436.300 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| RANDEV (ASTRIS 2) | - | 436.029 | BPSK | Mode U - BPSK9k6 | inactive |  | - |
| RANDEV (ASTRIS 2) | - | 436.029 | BPSK | Mode U - BPSK1k2 | active |  | - |
| RANGE A (Ranging And Nanosatellite Guidance Experiment A) | - | 437.150 | FSK | FSK | active |  | - |
| RANGE A (Ranging And Nanosatellite Guidance Experiment A) | - | 437.150 | GFSK | GFSK Commissioning Phase | active |  | - |
| RANGE A (Ranging And Nanosatellite Guidance Experiment A) | - | 437.475 | GFSK | GFSK Commissioning Phase (crosslink) | active |  | - |
| RANGE B (Ranging and Nanosatellite Guidance Experiment B) | - | 437.475 | FSK | FSK | active |  | - |
| RANGE B (Ranging and Nanosatellite Guidance Experiment B) | - | 437.475 | GFSK | GFSK Commissioning Phase | active |  | - |
| RANGE B (Ranging and Nanosatellite Guidance Experiment B) | - | 437.150 | GFSK | GFSK Commissioning Phase (crosslink) | active |  | - |
| Rassvet-1 1 (Рассвет-1 1) | - | 637.500 | FM | Mode U - Transmitter | active |  | - |
| Rassvet-1 2 (Рассвет-1 2) | - | 637.500 | FM | Mode U - Transmitter | active |  | - |
| Rassvet-1 3 (Рассвет-1 3) | - | 637.500 | FM | Mode U - Transmitter | active |  | - |
| RAY-1 | - | 0.002 | FM | Mode S - Transmitter | active |  | - |
| Reaktor Hello World (OH2RHW1) | - | 437.775 | CW | CW Beacon | re-entered |  | - |
| Reaktor Hello World (OH2RHW1) | - | 437.775 | GFSK Rktr | GFSK9k6 | re-entered |  | - |
| Reaktor Hello World (OH2RHW1) | - | 2410.000 | MSK | Mode L 1mbps MSK | re-entered |  | - |
| REAL | - | 450.060 | GFSK | Mode U - GFSK9k6 - Beacon | active |  | - |
| REAL | - | 2202.000 | FM | Mode S - Transmitter | active |  | - |
| RED DIAMOND | - | 401.150 | FSK AX.100 Mode 5 | Downlink | re-entered |  | - |
| Reimei (Index) | - | 2263.596 | FM | S-Band Transmitter | active |  | - |
| Replicator (ORBIT-3D) | - | 2246.500 | FM | Mode S - Transmitter | active |  | - |
| Replicator (ORBIT-3D) | - | 401.750 | GMSK | UHF 9k6 Telemetry | active |  | - |
| ReshUCube (SXC3-2111) | - | 435.380 | GMSK | Mode U - GMSK 2k4 (USP FEC) TLM | re-entered |  | - |
| ReshUCube (SXC3-2111) | - | 435.380 | GMSK | Mode U - GMSK 19k2 (USP FEC) TLM | re-entered |  | - |
| ReshUCube (SXC3-2111) | - | 436.675 | FM | Mode U - Repeater | re-entered |  | - |
| ReshUCube (SXC3-2111) | - | 435.380 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | re-entered |  | - |
| ReshUCube-2 (RS37S) | - | 436.675 | FSK | Mode U - Transmitter | inactive |  | - |
| ReshUCube-2 (RS37S) | - | 435.640 | DOKA | Mode U - DOKA 9k6 | inactive |  | - |
| ReshUCube-2 (RS37S) | - | 435.742 | DOKA | Mode U - DOKA 9k6 | inactive |  | - |
| ReshUCube-2 (RS37S) | - | 436.000 | LoRa | LoRa: BW 125kHz, SF 7 | active |  | - |
| Resourcesat 2 (2011-015A) | - | 2250.000 | BPSK | S-band telemetry | active |  | - |
| Resourcesat 2A (2016-074A) | - | 2250.002 | BPSK | S-band telemetry | active |  | - |
| REVELA | - | 401.240 | LoRa | Mode U Lora - Transmitter | re-entered |  | - |
| RHOK-SAT | - | 435.425 | BPSK | Mode U - BPSK9k6 - Beacon | inactive |  | - |
| RHOK-SAT | - | 435.425 | BPSK | Mode U - BPSK1k2 - Beacon | active |  | - |
| RIDU-Sat 1 (YH1SUP) | 145.825 | 145.825 | AFSK | Mode V/V - AFSK1k2 - APRS Digipeater | active |  | - |
| RIDU-Sat 1 (YH1SUP) | - | 145.925 | GMSK | Mode V - GMSK1k2 | active |  | - |
| RISAT-2BR2 (2020-081A) | - | 2250.372 | FM | S-band telemetry | active |  | - |
| RISING 2 (2014-029D) | - | 2285.000 | FM | S-band telemetry | active |  | - |
| ROBUSTA-1B | - | 437.325 | CW | TLM CW | re-entered |  | - |
| ROBUSTA-1B | - | 437.325 | AFSK | TLM 1k2 AFSK | re-entered |  | - |
| ROBUSTA-3A | - | 436.750 | GMSK | Mode U - GMSK9k6 - AX.25 | active |  | - |
| ROBUSTA-3A | - | 436.750 | GMSK | Mode U - GMSK38k4 - AX.25 | active |  | - |
| ROBUSTA-3A | - | 2202.000 | BPSK | Mode S - Transmitter | active |  | - |
| Rodnik | - | 388.687 | FM | UHF Unknown | active |  | - |
| Rodnik | - | 388.187 | FM | UHF Unknown | active |  | - |
| Rodnik | - | 388.187 | FM | UHF Unknown | active |  | - |
| Rodnik | - | 388.687 | FM | UHF Unknown | active |  | - |
| ROM-2 (Space Sparrow) | - | 436.235 | GFSK | Mode U - GFSK0k5 - Telemetry | re-entered |  | - |
| ROM-2 (Space Sparrow) | - | 436.235 | GFSK | Mode U - GFSK5k - SSDV | re-entered |  | - |
| ROM-2 (Space Sparrow) | - | 436.235 | CW | Mode U - CW | re-entered |  | - |
| ROM-3 | - | 436.235 | GFSK | Mode U - GFSK0k5 - Telemetry | re-entered |  | - |
| ROM-3 | - | 436.235 | CW | Mode U - CW | re-entered |  | - |
| ROM-3 | - | 436.235 | GFSK | Mode U - GFSK5k - SSDV | re-entered |  | - |
| ROSE | - | 8180.000 | FM | Mode X - Downlink | active |  | - |
| ROSE | - | 2213.000 | FM | Mode S - Downlink | active |  | - |
| RoseyCubesat-1 | - | 436.825 | BPSK | Mode U - BPSK1k2 GR3UH AX.25 | re-entered |  | - |
| RoseyCubesat-1 | 145.850 | 436.825 | FM | Mode V/U - Transceiver | re-entered |  | - |
| RoseyCubesat-1 | - | 436.825 | BPSK | Mode U - BPSK9k6 GR3UH AX.25 | re-entered |  | - |
| RROCI (Electro Optical/Infrared Weather System Rapid Revisit Optical Cloud Imager (EWS RROCI)) | - | 2085.500 | FM | S 1 | re-entered |  | - |
| RROCI (Electro Optical/Infrared Weather System Rapid Revisit Optical Cloud Imager (EWS RROCI)) | - | 2217.000 | FM | S 2 | re-entered |  | - |
| RROCI-2 | - | 8125.000 | OQPSK | Mode X - OQPSK 100Mbps - Downlink | active |  | - |
| RROCI-2 | - | 2217.000 | QPSK | Mode S - QPSK 2Mbps - Downlink | active |  | - |
| RS-43 (AIST-2) | - | 435.215 | DOKA | Mode U - DOKA | active |  | - |
| RSP-00 (8J1RSP) | - | 145.890 | CW | CW Beacon | re-entered |  | - |
| RSP-00 (8J1RSP) | - | 145.890 | FM | FM VOICE | re-entered |  | - |
| RSP-00 (8J1RSP) | - | 145.890 | AFSK | AFSK1k2 | re-entered |  | - |
| RSP-00 (8J1RSP) | - | 436.930 | QPSK | pi/4 QPSK38k4 | re-entered |  | - |
| RSP-01 (8N1RSP) | - | 145.810 | CW | Mode U - CW Beacon | re-entered |  | - |
| RSP-01 (8N1RSP) | - | 145.810 | GMSK | Mode U - GMSK9k6 | re-entered |  | - |
| RSP-03 (JS1YOY) | - | 437.050 | SSTV | Mode U SSTV | re-entered |  | - |
| RSP-03 (JS1YOY) | - | 437.050 | AFSK | Mode U AFSK1k2 | re-entered |  | - |
| RSP-03 (JS1YOY) | - | 437.050 | 4FSK | Mode U 4FSK24k | re-entered |  | - |
| RSP-03 (JS1YOY) | - | 437.050 | OQPSK | Mode U OQPSK24k | re-entered |  | - |
| RSP-03 (JS1YOY) | - | 437.050 | FM | Mode U Digitalker | re-entered |  | - |
| RSP-03 (JS1YOY) | - | 437.050 | CW | Mode U CW | re-entered |  | - |
| RSP-03 (JS1YOY) | - | 437.050 | GMSK | Mode U - GMSK9k6 AX.25 G3RUH | re-entered |  | - |
| RTU MIREA1 (RS51S) | - | 436.200 | CW | Mode U - CW Beacon | active |  | - |
| RTU MIREA1 (RS51S) | - | 436.200 | SSTV | Mode U - SSTV | inactive |  | - |
| RTU MIREA1 (RS51S) | - | 10473.000 | QPSK | Mode X - DVB-S2 | active |  | - |
| RTU MIREA1 (RS51S) | - | 436.200 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Telemetry (Geoscan framing) | active |  | - |
| RUNNER-1 (TYVAK-1005; FASat Delta) | - | 2067.000 | FM | Mode S1 | active |  | - |
| RUNNER-1 (TYVAK-1005; FASat Delta) | - | 2242.000 | FM | Mode S2 | active |  | - |
| RUZAEVKA-390 (RS44S) | - | 437.865 | LoRa | Mode U - LoRa | inactive |  | - |
| RUZAEVKA-390 (RS44S) | - | 437.050 | AFSK | Mode U - AFSK 1143 Beacon TLM | active |  | - |
| RUZAEVKA-390 (RS44S) | - | 435.750 | FSK | Mode U - FSK 2k4 Beacon | inactive |  | - |
| RUZAEVKA-390 (RS44S) | - | 437.050 | SSTV | SSTV - Robot 36 | active |  | - |
| S-band unknown | - | 2205.474 | BPSK | S-band telemetry | active |  | - |
| S-Net A (DP0TBB) | - | 2263.000 | FM | S-Band Downlink | active |  | - |
| S-Net A (DP0TBB) | - | 435.950 | AFSK TUBiX10 | AFSK 1k2 TLM | active |  | - |
| S-Net B (DP0TBC) | - | 2263.000 | FM | S-Band Downlink | active |  | - |
| S-Net B (DP0TBC) | - | 435.950 | AFSK TUBiX10 | AFSK 1k2 TLM | active |  | - |
| S-Net C (DP0TBD) | - | 435.525 | DSTAR | MODE FM VOICE - WRONG ASSIGNED BELONGS TO D-STAR ONE | inactive |  | - |
| S-Net C (DP0TBD) | - | 2263.000 | FM | S-Band Downlink | active |  | - |
| S-Net C (DP0TBD) | - | 435.950 | AFSK TUBiX10 | AFSK 1k2 TLM | active |  | - |
| S-Net D (DP0TBE) | - | 2263.000 | FM | S-Band Downlink | active |  | - |
| S-Net D (DP0TBE) | - | 435.950 | AFSK TUBiX10 | AFSK 1k2 TLM | active |  | - |
| SaganSat0 (JG6YPC) | 145.825 | 145.825 | AFSK | Mode V/V - APRS digipeater | re-entered |  | - |
| SaganSat0 (JG6YPC) | - | 437.050 | CW | Mode U - CW | re-entered |  | - |
| SaganSat0 (JG6YPC) | - | 437.050 | GMSK | Mode U - GMSK4k8 - AX.25 | re-entered |  | - |
| SAKHACUBE-CHOLBON (RS18S) | - | 437.350 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SAKHACUBE-CHOLBON (RS18S) | - | 437.350 | GMSK | Mode U - GMSK9k6 - USP | active |  | - |
| SAKHACUBE-CHOLBON (RS18S) | - | 437.350 | SSTV | SSTV | active |  | - |
| Sakura (桜) | - | 437.375 | GMSK | Mode U - GMSK4k8 - AX.25 | re-entered |  | - |
| Sakura (桜) | - | 437.375 | CW | Mode U - CW | re-entered |  | - |
| Sakura (桜) | 145.825 | 145.825 | AFSK | Mode V/V - Digipeater | re-entered |  | - |
| SALSAT (DP0WER) | - | 435.950 | AFSK TUBiX10 | AFSK 1k2 TLM | active |  | - |
| SALSAT (DP0WER) | - | 2266.000 | BPSK | BPSK | active |  | - |
| SAMSAT-218D | - | 145.870 | CW | CW Beacon | re-entered |  | - |
| SamSat-ION | - | 437.402 | CW | SamSat-ION Beacon | active |  | - |
| SamSat-ION | - | 437.400 | FSK | Mode U - FSK1k2 AX.25 TLM | active |  | - |
| SamSat-Ionosphere (RS75S) | - | 437.400 | FSK | FSK1k2 - AX.25 Beacon | active |  | - |
| SamSat-Orion | - | 437.080 | FSK | Mode U - FSK 1k2 AX.25 Beacon | future |  | - |
| SanoSat-1 (NO-116) | 436.235 | 436.235 | GFSK | GFSK TT&C and Digital Repeater | re-entered |  | - |
| SanoSat-1 (NO-116) | - | 436.235 | CW | CW Morse Beacon | re-entered |  | - |
| SanoSat-1 (NO-116) | - | 436.235 | FSK | RTTY FSK | re-entered |  | - |
| SAOCOM 1-A (2018-076A) | - | 2255.500 | BPSK | S-band telemetry | active |  | - |
| SAOCOM 1-B (2020-059A) | - | 2255.500 | BPSK | S-band telemetry | active |  | - |
| Sapling Giganteum (Sapling-2) | - | 437.400 | FSK | Mode U - LoRa | re-entered |  | - |
| Sapling Sempervirens (Sapling-1) | - | 437.400 | LoRa | Mode U - LoRa | dead |  | - |
| SARAL | - | 465.988 | BPSK PMT-A3 | ARGOS-3 | active |  | - |
| SARAL | - | 8125.000 | FM | Mode X | active |  | - |
| SARAL | - | 2203.200 | FM | Mode S 1 | active |  | - |
| SARAL | - | 2224.900 | FM | Mode S 2 | active |  | - |
| SARAL | - | 2280.000 | FM | Mode S 3 | active |  | - |
| SARAL | - | 1703.000 | QPSK | Mode L 2 | active |  | - |
| SARAL | - | 8212.500 | FM | Mode X dumps | active |  | - |
| SARAL | - | 2245.000 | FM | Mode S dumps | active |  | - |
| SARAL | - | 1698.400 | QPSK | Mode L 1 - ARGOS | active |  | - |
| Sateliot 1 | - | 2266.400 | BPSK | S-band telemetry | active |  | - |
| Sateliot 1 | - | 2189.800 | BPSK | S-band telemetry | active |  | - |
| Sateliot 3 | - | 2189.800 | BPSK | S-band telemetry | active |  | - |
| Sateliot-0 (Platform-3) | - | 1521.540 | FM | Mode L - Possible | re-entered |  | - |
| Sateliot-0 (Platform-3) | - | 2180.440 | FM | Mode S - Possible | re-entered |  | - |
| Sateliot-0 (Platform-3) | - | 401.360 | GMSK | UHF 9k6 Telemetry | re-entered |  | - |
| SATGUS | - | 400.200 | FSK | Mode U - Transmitter | active |  | - |
| SATGUS | - | 2215.175 | BPSK | S-band telemetry | active |  | - |
| SATHYABAMASAT | - | 145.980 | BPSK | Mode U TLM | re-entered |  | - |
| SATLLA-1 | - | 437.250 | LoRa | Mode U LoRa | re-entered |  | - |
| SATLLA-1 | - | 2401.000 | LoRa | Mode S LoRa | re-entered |  | - |
| SATLLA-2A | - | 2401.000 | LoRa | Mode S - LoRa | re-entered |  | - |
| SATLLA-2A | - | 437.250 | LoRa | Mode U - LoRa | re-entered |  | - |
| SATLLA-2B | - | 2401.000 | LoRa | Mode S - LoRa | re-entered |  | - |
| SATLLA-2B | - | 437.250 | LoRa | Mode U - LoRa | re-entered |  | - |
| SATLLA-2I | - | 437.250 | LoRa | Mode U - LoRa | re-entered |  | - |
| SATLLA-2I | - | 2401.000 | LoRa | Mode S - LoRa | re-entered |  | - |
| SATLLA-2I | - | 437.250 | GFSK | SSB 9k6 GFSK Telemetry | re-entered |  | - |
| SATMAR | - | 161.863 | FM | Mode V - VDES 1 | active |  | - |
| SATMAR | - | 157.263 | FM | Mode V - VDES 2 | active |  | - |
| SATMAR | - | 2221.500 | FM | Mode S - Transmitter 1 | active |  | - |
| SATMAR | - | 2280.800 | FM | Mode S - Transmitter 2 | active |  | - |
| SATMAR | - | 400.501 | FM | Telemetry | active |  | - |
| SATORO-T2 | - | 2280.000 | FM | Mode S - Transmitter | active |  | - |
| SATORO-T2 | - | 400.425 | BPSK | Mode U - BPSK2k4 - AX.25 G3RUH | active |  | - |
| SATORO-T3 | - | 2280.000 | FM | Mode S - Transmitter | active |  | - |
| SATORO-T3 | - | 401.970 | BPSK | Mode U - Transmitter | active |  | - |
| SATORO-T3 | - | 2269.775 | BPSK | S-band telemetry | active |  | - |
| SATURN (САТУРН) | - | 435.790 | AFSK | Mode U - Transmitter | active |  | - |
| SATURN (САТУРН) | - | 435.790 | DOKA | DOKA | active |  | - |
| SATURNIN-1 | - | 401.900 | FSK AX.100 Mode 5 | Mode U - Beacon | active |  | - |
| SaudiSat 2 | - | 137.513 | FM | Mode V TLM | active |  | - |
| SaudiSat 4 | - | 148.035 | FM | Mode V TLM | active |  | - |
| SaudiSat 4 | - | 401.600 | FM | Mode U | active |  | - |
| SaudiSat 5A | - | 401.350 | FM | 401.35 | active |  | - |
| SaudiSat 5A | - | 401.850 | FM | 401.85 | active |  | - |
| SaudiSat 5B | - | 401.350 | FM | 401.35 | active |  | - |
| SaudiSat 5B | - | 401.850 | FM | 401.85 | active |  | - |
| SBUDNIC | - | 435.000 | LoRa | 435 LoRa | re-entered |  | - |
| SBUDNIC | - | 435.000 | AFSK | AFSK 4K8 | re-entered |  | - |
| SC-ODIN | - | 436.525 | GMSK | Mode U - GMSK 19K2 | re-entered |  | - |
| SC-ODIN | - | 436.525 | GMSK | Mode U - GMSK 38K4 | re-entered |  | - |
| SC-ODIN | - | 436.525 | GMSK | Mode U - GMSK 9K6 | re-entered |  | - |
| SC-SAT1 | - | 2278.600 | FM | Mode S - Transmitter | re-entered |  | - |
| SC-Sat1a | - | 2278.600 | FM | Mode S - Transmitter | re-entered |  | - |
| SCISAT 1 (2003-036A) | - | 2232.000 | BPSK | S-band telemetry | active |  | - |
| SCOOB-II (S3 2) | - | 437.500 | GFSK | Mode U - GFKS9k6 | active |  | - |
| SCOT-1 (SCOT) | - | 8325.000 | FM | Mode X - Transmitter | active |  | - |
| SCOT-1 (SCOT) | - | 2260.000 | FM | Mode S - Transmitter | active |  | - |
| SDGSAT 1 (2021-100A) | - | 2210.399 | FM | S-band telemetry | active |  | - |
| SDS-3 F-5 (USA 198) | - | 2242.504 | CW | CW Carrier | inactive |  | - |
| SDSAT (Satish Dhawan SAT) | - | 435.500 | CW | Mode U - CW | re-entered |  | - |
| SDSAT (Satish Dhawan SAT) | - | 435.500 | FSK | Mode U - FSK RTTY | re-entered |  | - |
| SDSAT (Satish Dhawan SAT) | - | 435.500 | LoRa | Mode U - LoRa | re-entered |  | - |
| SDX01 | - | 436.500 | BPSK | Mode U TLM | active |  | - |
| SDX01 | - | 2284.559 | BPSK | S-band telemetry | active |  | - |
| SDX01 | - | 2233.940 | FM | S-band telemetry | active |  | - |
| SDX02 (2024-253B) | - | 2240.000 | BPSK | S-band telemetry | active |  | - |
| SDX02 (2024-253B) | - | 2210.000 | BPSK | S-band telemetry | active |  | - |
| SEAHAWK-1 | - | 400.751 | GMSK | Mode U - GMSK 9K6 | active |  | - |
| SEAM 2.0 | - | 437.250 | MSK AX.100 Mode 5 | Mode U GMSK9k6 TLM | re-entered |  | - |
| SECOR 13 (EGRS 13) | - | 136.800 | CW | Carrier | active |  | - |
| SECOR 4 (EGRS 4) | - | 136.845 | FM | Mode V - Telemetry | active |  | - |
| SECOR 7 (EGRS 7) | - | 136.440 | FM | 136.44 PM | active |  | - |
| Sedna-1 | - | 400.575 | FM | Mode U - Transmitter 1 | inactive |  | - |
| Sedna-1 | - | 400.625 | GMSK | Mode U - Transmitter 2 | active |  | - |
| Sedna-2 | - | 400.575 | FM | Mode U - Transmitter 1 | active |  | - |
| Sedna-2 | - | 400.625 | FM | Mode U - Transmitter 2 | active |  | - |
| SEEDS II (CO-66) | - | 437.485 | FMN | Mode U Digi | active |  | - |
| SEEDS II (CO-66) | - | 437.486 | CW | PE0SAT - CW Beacon | active |  | - |
| SEEDS II (CO-66) | - | 437.485 | AFSK | Mode U TLM | active |  | - |
| SEEDS II (CO-66) | - | 437.485 | CW | CW | active |  | - |
| SEEDS II (CO-66) | - | 437.485 | SSTV | Mode U SSTV | active |  | - |
| SeeMe | - | 437.425 | FM | TLM | active |  | - |
| SeeMe | - | 437.450 | FM | TLM | active |  | - |
| SeeMe | - | 2425.000 | BPSK | BPSK 1.6Mbps | active |  | - |
| SelfieSat | - | 437.500 | FSK | Mode U - 2FSK AX.25 TLM | re-entered |  | - |
| Sentinel-6 Michael Freilich (S6 Sentinel-6A Jason-CS S6MF) | - | 2256.800 | BPSK | S-Band transmitter | active |  | - |
| Sentinel-6 Michael Freilich (S6 Sentinel-6A Jason-CS S6MF) | - | 8090.000 | FM | X-Band dumps (Norway, Sweden) | active |  | - |
| SENTRY | - | 401.500 | FM | Mode U - Downlink | active |  | - |
| Serenity (WU2M) | - | 437.100 | AFSK | Mode U - AFSK4k8 AX.25 | re-entered |  | - |
| Serenity (WU2M) | - | 437.100 | AFSK | Mode U - AFSK4k8 AX.25 | re-entered |  | - |
| Serenity | - | 437.000 | GFSK | Mode U - GFSK | active |  | - |
| SERPENS (PY0ESA) | - | 437.365 | MSK | 1k2 MSK TLM | re-entered |  | - |
| SERPENS (PY0ESA) | - | 145.980 | GFSK | 9k6 FSK TLM | re-entered |  | - |
| SHAKUNTALA (2022-033S) | - | 2284.567 | FM | Mode S | re-entered |  | - |
| SHAKUNTALA (2022-033S) | - | 2282.500 | BPSK | S-band telemetry | re-entered |  | - |
| SHANNON | - | 890.700 | FM | 890.7 Center | re-entered |  | - |
| SHANNON | - | 2260.000 | FM | Mode S down | re-entered |  | - |
| SHANNON | - | 941.000 | GMSK | 941 GSM2 Center | re-entered |  | - |
| SHANNON | - | 2229.500 | FM | Mode S 2 | re-entered |  | - |
| SHAONIAN XING (Juvenile-1F) | - | 436.375 | BPSK | TLM 9600 BPSK | re-entered |  | - |
| Sharjahsat-1 | - | 437.325 | GMSK | Mode U - GMSK9k6 | active |  | - |
| Sharjahsat-1 | - | 437.325 | CW | CW Beacon | inactive |  | - |
| Sharjahsat-1 | - | 2405.000 | GMSK | Mode S - GMSK | inactive |  | - |
| SHERPA-AC1 | - | 400.500 | FM | UHF Unknown | active |  | - |
| SHERPA-AC1 | - | 1616.250 | FM | Mode L | active |  | - |
| SHERPA-AC1 | - | 2245.000 | FM | Mode S | active |  | - |
| SHERPA-AC1 | - | 1260.000 | FM | GNSS - Xona Huginn | active |  | - |
| SHERPA-LTC2 | - | 400.520 | FM | UHF Unknown | active |  | - |
| SHERPA-LTC2 | - | 400.480 | FM | UHF STRF | active |  | - |
| Sherpa-LTE1 | - | 400.500 | FM | UHF Unknown | re-entered |  | - |
| SHIELDS 1 | - | 400.250 | FSK | Mode U - Telemetry | active |  | - |
| SHINSEI (MS-F2) | - | 136.694 | CW | carrier wave | active |  | - |
| SHIYUAN 3 SY-3 (2008-056A) | - | 2230.794 | FM | S-band telemetry | active |  | - |
| SIGI | - | 8255.000 | FM | Mode X - Transmitter | active |  | - |
| SIGI | - | 2222.500 | BPSK | Mode S - Transmitter | active |  | - |
| SIGMA (KHUSAT-03) | - | 435.780 | BPSK | TLM | re-entered |  | - |
| SilverSat | - | 437.175 | CW | Mode U - CW - Beacon | active |  | - |
| SilverSat | - | 437.175 | GMSK | Mode U - GMSK9k6 - Transmitter | active |  | - |
| SilverSat | - | 437.175 | SSDV | Mode U - SSDV | active |  | - |
| SIMBA (Sun-Earth Imbalance) | - | 148.118 | FM | Mode V TLM | re-entered |  | - |
| SIMBA (Sun-Earth Imbalance) | - | 401.175 | BPSK | Downlink | re-entered |  | - |
| SIMPL | - | 145.825 | AFSK | QIKCOM-1 | re-entered |  | - |
| SINP-MSU-80 (Scorpion) (НИИЯФ-МГУ-80 (Скорпион)) | - | 435.240 | DOKA | Mode U - DOKA | active |  | - |
| SINP-MSU-80 (Scorpion) (НИИЯФ-МГУ-80 (Скорпион)) | - | 435.240 | AFSK | Mode U - AFSK1k2 | active |  | - |
| SINP-MSU-80 (Scorpion) (НИИЯФ-МГУ-80 (Скорпион)) | - | 435.340 | AFSK | Mode U - AFSK1k2 | active |  | - |
| SINP-MSU-80 (Scorpion) (НИИЯФ-МГУ-80 (Скорпион)) | - | 435.340 | DOKA | Mode U - DOKA | active |  | - |
| SINP-MSU-80 (Scorpion) (НИИЯФ-МГУ-80 (Скорпион)) | - | 2401.000 | BPSK | Mode S - BPSK | active |  | - |
| SIREN (SXC3-217 RS30S) | - | 437.750 | GMSK | Mode U - GMSK 2k4 (USP FEC) TLM | re-entered |  | - |
| SIREN (SXC3-217 RS30S) | - | 437.750 | GMSK | Mode U - GMSK 9k6 (USP FEC) TLM | re-entered |  | - |
| Sirius-SINP-3U (R6DRF) | - | 436.550 | AFSK | Mode U - FSK 1K2 | active |  | - |
| Sirius-SINP-3U (R6DRF) | - | 436.550 | CW | Mode U - OOK | active |  | - |
| SiriusSat-1 (RS13S) | - | 435.570 | GMSK | GMSK Telemetry | re-entered |  | - |
| SiriusSat-1 (RS13S) | - | 435.619 | GMSK | Mode U - GMSK Telemetry | re-entered |  | - |
| SiriusSat-2 (RS14S) | - | 435.670 | GMSK | GMSK Telemetry | re-entered |  | - |
| SiriusSat-2 (RS14S) | - | 435.719 | GMSK | Mode U - GMSK Telemetry | re-entered |  | - |
| SIT-2086 (SC2335) | - | 401.030 | GMSK USP | Mode U - GMSK2k4 USP | active |  | - |
| SIT-HSE | - | 401.015 | GMSK USP | Mode U - GMSK2k4 USP | active |  | - |
| SITRO-AIS-10 (Sputnix Katys) | - | 401.290 | GMSK USP | Mode U - GMSK USP 2K4 TLM | active |  | - |
| SITRO-AIS-11 (Sputnix Smirenny) | - | 401.320 | GMSK USP | Mode U - GMSK USP 2K4 TLM | active |  | - |
| SITRO-AIS-12 (Sputnix Fartushny) | - | 401.350 | GMSK USP | Mode U - GMSK USP 2K4 TLM | active |  | - |
| SITRO-AIS-13 (SC3231) | - | 401.015 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-14 (SC3232) | - | 401.035 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-15 (SC3233) | - | 401.055 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-16 (SC3234) | - | 401.075 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-17 (SC3235) | - | 401.095 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-18 (SC3236) | - | 401.115 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-19 (SC3237) | - | 401.135 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-20 (SC3238) | - | 401.155 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-21 (SC2319) | - | 401.175 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-22 (SC2310) | - | 401.195 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-23 (SC2311) | - | 401.215 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-24 (SC2312) | - | 401.235 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-25 (SC2313) | - | 401.215 | GMSK USP | Mode U - GMSK2k4 USP | active |  | - |
| SITRO-AIS-26 (SC2314) | - | 401.063 | GMSK USP | Mode U - GMSK2k4 USP | active |  | - |
| SITRO-AIS-27 (SC2315) | - | 401.078 | GMSK USP | Mode U - GMSK2k4 USP | active |  | - |
| SITRO-AIS-28 (SC2316) | - | 401.093 | GMSK USP | Mode U - GMSK2k4 USP | active |  | - |
| SITRO-AIS-29 (SC2317) | - | 401.175 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-30 (SC2318) | - | 401.205 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-31 (SC2319) | - | 401.115 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-32 (SC2320) | - | 401.005 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-33 (SC2321) | - | 401.085 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-34 (SC2322) | - | 401.160 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-35 (SC2323) | - | 401.055 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-36 (SC2324) | - | 401.190 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-37 (SC2325) | - | 401.003 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-38 (SC2326) | - | 401.045 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-39 (SC2327) | - | 401.065 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-40 (SC2328) | - | 401.085 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-41 (SC2329) | - | 401.105 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-42 (SC2330) | - | 401.125 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-43 (SC2331) | - | 401.145 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-44 (SC2332) | - | 401.165 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-45 (SC2333) | - | 401.185 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-46 (SC2334) | - | 401.205 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-47 (SC2360) | - | 401.225 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-48 (SC2370) | - | 401.245 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-49 (SC2337) | - | 401.245 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-5 (Sputnix Anokhin) | - | 401.140 | GMSK USP | Mode U - GMSK USP 2K4 TLM | active |  | - |
| SITRO-AIS-50 (SC2338) | - | 401.130 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-51 (SC2339) | - | 401.100 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-52 (SC2340) | - | 401.145 | GMSK USP | Mode U - GMSK2k4 USP | re-entered |  | - |
| SITRO-AIS-53 (SC2341) | - | 401.050 | FM | Telemetry | active |  | - |
| SITRO-AIS-54 (SC2342) | - | 401.080 | FSK | Telemetry | active |  | - |
| SITRO-AIS-55 (SC2343) | - | 401.108 | FSK | Telemetry USP | active |  | - |
| SITRO-AIS-56 (SC2344) | - | 401.215 | FSK | Telemetry | active |  | - |
| Sitro-AIS-57 (SC2371) | - | 401.003 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Sitro-AIS-58 (SC2359) | - | 401.033 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Sitro-AIS-59 (SC2356) | - | 401.048 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-6 (Sputnix Chirkin) | - | 401.170 | GMSK USP | Mode U - GMSK USP 2K4 TLM | active |  | - |
| Sitro-AIS-60 (SC2348) | - | 401.063 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Sitro-AIS-61 (SC2349) | - | 401.078 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Sitro-AIS-62 (SC2372) | - | 401.093 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Sitro-AIS-63 (SC2351) | - | 401.108 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Sitro-AIS-64 (SC2352) | - | 401.123 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Sitro-AIS-65 (SC2353) | - | 401.138 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SITRO-AIS-7 (Sputnix Sheffer) | - | 401.200 | GMSK USP | Mode U - GMSK USP 2K4 TLM | active |  | - |
| SITRO-AIS-8 (Sputnix Shchukin) | - | 401.230 | GMSK USP | Mode U - GMSK USP 2K4 TLM | active |  | - |
| SITRO-AIS-9 (Sputnix Burdaev) | - | 401.260 | GMSK USP | Mode U - GMSK USP 2K4 TLM | active |  | - |
| Sitro-TD-3 (SC2345) | - | 401.173 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Sitro-TD-4 (SC2354f) | - | 401.198 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| SJ-30A (2025-266A) | - | 2273.500 | BPSK | S-band telemetry | active |  | - |
| SJ-6A (SHIJIAN 6 01A) | - | 2229.605 | FM | S-band telemetry | active |  | - |
| SJ-6C (2006-046A) | - | 2265.100 | BPSK | S-band telemetry | active |  | - |
| SJ-6D (2006-046B) | - | 2256.251 | FM | S-band telemetry | active |  | - |
| SJ-6E (2008-053A) | - | 2224.560 | BPSK | Mode S | active |  | - |
| SJ-6F (2008-053B) | - | 2251.443 | FM | S-band telemetry | active |  | - |
| SJ-6G | - | 2269.600 | FM | S-band telemetry | inactive |  | - |
| SJ-6G | - | 2229.600 | FM | S-band telemetry | active |  | - |
| SJ-6H (2010-051B) | - | 2235.842 | FM | S-band telemetry | active |  | - |
| SJ-7 (2005-024A) | - | 2205.488 | BPSK | S-band telemetry | active |  | - |
| SJ-9A (2012-056A) | - | 2214.464 | FM | Mode S | active |  | - |
| SJ-9B (2012-056B) | - | 2255.040 | FM | S-band telemetry | active |  | - |
| SJSAT-4 (SEJONG-4) | - | 2249.050 | FM | Mode S - Transmitter | active |  | - |
| SJSAT-4 (SEJONG-4) | - | 8195.000 | FM | Mode X - Transmitter | active |  | - |
| SKCUBE | - | 437.100 | FSK | TLM FSK (AX.25) | re-entered |  | - |
| SKCUBE | - | 437.100 | CW | TLM CW | re-entered |  | - |
| SKCUBE | - | 2401.000 | FM | S-Band Downlink | re-entered |  | - |
| Skif-D (Скиф-Д) | - | 435.466 | FM | Mode U | active |  | - |
| Skif-D (Скиф-Д) | - | 435.566 | FM | Mode U - TLM | active |  | - |
| Skoltech B1 | - | 435.000 | GMSK | Mode U - GMSK9k6 USP TLM | re-entered |  | - |
| Skoltech B1 | - | 435.598 | GMSK | Mode U - GMSK9k6 USP TLM | re-entered |  | - |
| Skoltech B2 | - | 435.000 | GMSK | Mode U - GMSK9k6 USP TLM | re-entered |  | - |
| Skoltech B2 | - | 435.598 | GMSK | Mode U - GMSK9k6 USP TLM | re-entered |  | - |
| SKYBEE-A01 (HiVE) | - | 401.050 | FM | Mode U - Transmitter | active |  | - |
| SKYBEE-A01 (HiVE) | - | 8330.000 | FM | Mode X - Transmitter | active |  | - |
| SKYBEE-A01 (HiVE) | - | 2228.000 | FM | Mode S - Transmitter | active |  | - |
| SkyBee-A02 (HiVe) | - | 8330.000 | FM | Mode X - Transmitter | active |  | - |
| SkyBee-A02 (HiVe) | - | 2228.000 | FM | Mode S - Transmitter | active |  | - |
| SkyBee-A02 (HiVe) | - | 401.050 | GMSK | Mode U - GMSK2k4 | active |  | - |
| SkyBee-A02 (HiVe) | - | 2255.510 | FM | S-band telemetry | active |  | - |
| Skykraft 1 Deployer (2023-001AJ) | - | 400.450 | LoRa | Mode U - LoRa | active |  | - |
| SKYMED 1 (2007-023A) | - | 2230.000 | BPSK | S-band telemetry | active |  | - |
| SKYMED 2 (2007-059A) | - | 2242.279 | FM | S-band telemetry | active |  | - |
| SKYMED 2 (2007-059A) | - | 2230.019 | BPSK | S-band telemetry | active |  | - |
| SKYMED 4 (2010-060A) | - | 2244.272 | FM | S-band telemetry | active |  | - |
| SKYMED 4 (2010-060A) | - | 2230.007 | FM | S-band telemetry | active |  | - |
| SLiM (Smart Lander for investigating Moon) | - | 2212.000 | FM | Mode S | active |  | - |
| Slingshot 1 | - | 914.700 | FM | 914.7 MHz | re-entered |  | - |
| Slippers2Sat (S2S) | - | 437.375 | GFSK | Mode U - GFSK4k8 | active |  | - |
| SMAP | - | 2274.300 | DBPSK | S-Band 9k6 DBPSK Telemetry Experimental | active |  | - |
| SMAP | - | 2274.300 | DBPSK | S-Band DBPSK Telemetry | active |  | - |
| SMAP | - | 8180.000 | FM | Mode X | active |  | - |
| SMOG 1 (HA5BME) | - | 437.345 | CW | Mode U - CW | re-entered |  | - |
| SMOG 1 (HA5BME) | - | 437.345 | GMSK | Mode U - GMSK1k25 - AO-40 FEC | re-entered |  | - |
| SMOG 1 (HA5BME) | - | 437.345 | GMSK | Mode U - GMSK2k5 - AO-40 FEC | re-entered |  | - |
| SMOG 1 (HA5BME) | - | 437.345 | GMSK | Mode U - GMSK5k - AO-40 FEC | re-entered |  | - |
| SMOG 1 (HA5BME) | - | 437.345 | GMSK | Mode U - GMSK12k5 - AO-40 FEC | re-entered |  | - |
| SMOG-P (HA4C
MO-105
Magyar-OSCAR 105) | - | 437.150 | GMSK | Mode U GMSK12k5 | re-entered |  | - |
| SNIPE A (KASI-SAT A) | - | 435.450 | MSK AX.100 Mode 5 | Mode U - MSK4k8 | active |  | - |
| SNIPE B (KASI-SAT B) | - | 436.000 | MSK AX.100 Mode 5 | Mode U - MSK4k8 | active |  | - |
| SNIPE C (KASI-SAT C) | - | 436.950 | MSK AX.100 Mode 5 | Mode U - MSK4k8 | active |  | - |
| SNIPE D (KASI-SAT D) | - | 437.800 | MSK AX.100 Mode 5 | Mode U - MSK4k8 | active |  | - |
| SNIPE D (KASI-SAT D) | - | 2251.208 | FM | S-band telemetry | active |  | - |
| SNoOPI (SigNals of Opportunity: P-band Investigation) | - | 2273.480 | FM | Mode S 1 | re-entered |  | - |
| SNoOPI (SigNals of Opportunity: P-band Investigation) | - | 2287.500 | FM | Mode S 2 | re-entered |  | - |
| SNUGLITE (DS0DH) | - | 437.275 | GMSK | GMSK9k6 TLM | active |  | - |
| SNUGLITE-II | - | 2405.000 | DQPSK | Mode S - DQPSK | active |  | - |
| SNUGLITE-II | - | 436.490 | GMSK | Mode U - 9k6 GMSK AX25 G3RUH TLM | active |  | - |
| SNUGLITE-III DURI (DS0DH) | - | 436.788 | GMSK | Mode U - GMSK9k6 - AX25 G3RUH - TLM | active |  | - |
| SNUGLITE-III HANA (DS0DH) | - | 436.460 | GMSK | Mode U - GMSK9k6 - AX25 G3RUH - TLM | active |  | - |
| SNUSAT-1 (KR02 ON02KR) | - | 436.090 | BPSK | TLM BPSK | re-entered |  | - |
| SNUSAT-1B (KR03 ON03KR) | - | 435.950 | BPSK | TLM BPSK | re-entered |  | - |
| SNUSAT-2 | - | 437.625 | BPSK | BPSK9k6 TLM | inactive |  | - |
| SNUSAT-2 | - | 2402.000 | DQPSK | DQPSK 1.06Mbit/s | inactive |  | - |
| SNUSAT-2 | - | 437.625 | BPSK | BPSK2k4 TLM | inactive |  | - |
| SOAP-1 | - | 2220.000 | FM | Mode S - Transmitter | active |  | - |
| SOAP-1 | - | 8253.500 | FM | Mode X - Transmitter | active |  | - |
| SOAR | - | 401.725 | FSK AX.100 Mode 5 | Mode U - FSK 4k8 | re-entered |  | - |
| SOAR | - | 401.725 | FSK AX.100 Mode 5 | Mode U - FSK 9k6 | re-entered |  | - |
| SOC-i | - | 437.125 | GMSK | Mode U - GMSK4k8 | re-entered |  | - |
| SOKRAT (SOCRAT) | - | 436.000 | GMSK | Mode U Mobitex 4k8 | re-entered |  | - |
| SOLARAS S2 | - | 437.450 | FSK | Mode U - FSK9k6 - Telemetry | re-entered |  | - |
| SOLARAS S2 | 436.450 | 145.925 | FM | Mode U/V - FM Voice Repeater | re-entered |  | - |
| SOLRAD-7B | - | 136.801 | USB | carrier wave | active |  | - |
| SOMP | - | 437.500 | CW | PE0SAT - CW Beacon | re-entered |  | - |
| SOMP | - | 437.485 | CW | CW TLM | re-entered |  | - |
| SOMP 2b | - | 435.600 | GMSK | Mode U - 9k6 GMSK | re-entered |  | - |
| SOMP2 (DE02
ON02DE) | - | 437.405 | GMSK | GMSK Telemetry | re-entered |  | - |
| SONATE (SOlutus NAno satteliTE) | - | 437.025 | GMSK | Mode U GMSK9k6 TLM | re-entered |  | - |
| SONATE (SOlutus NAno satteliTE) | - | 437.025 | GFSK | Mode U GFSK9k6 TLM | re-entered |  | - |
| SONATE (SOlutus NAno satteliTE) | - | 145.840 | SSTV | Mode V SSTV | re-entered |  | - |
| SONATE (SOlutus NAno satteliTE) | - | 145.840 | CW | Mode V CW Beacon | re-entered |  | - |
| SONATE-2 (DP0SNX) | - | 145.840 | CW | Mode V - CW | active |  | - |
| SONATE-2 (DP0SNX) | - | 437.025 | GMSK | Mode U - GMSK9k6 - AX.25 G3RUH - Telemetry | active |  | - |
| SONATE-2 (DP0SNX) | - | 145.880 | SSTV | Mode V - SSTV - Martin M1 SSTV | active |  | - |
| SONATE-2 (DP0SNX) | 145.825 | 145.825 | AFSK | Mode V/V - APRS digipeater | active |  | - |
| SONATE-2 (DP0SNX) | - | 2267.700 | QPSK | Mode S - QPSK 2.048 Msps - CCSDS 131.0-B Convolutional code k=7, r=0.5, randomizer on | active |  | - |
| SORTIE (Helio 5) | - | 468.000 | OQPSK | Mode U OQPSK | re-entered |  | - |
| SPACE HAUC-1 | - | 437.500 | FSK | Mode U - Telemetry | re-entered |  | - |
| SPACEANT-D | - | 437.425 | CW | Mode U - CW | re-entered |  | - |
| SPACEANT-D | - | 437.425 | GFSK | Mode U - GFSK1k2 - AX.25 | re-entered |  | - |
| SPACEBEE-100 | - | 137.845 | LoRa | 137.845 Lora | re-entered |  | - |
| SPACEBEE-100 | - | 137.975 | LoRa | 137.975 Lora | re-entered |  | - |
| SPACEBEE-100 | - | 400.572 | FM | Mode U | re-entered |  | - |
| SPACEBEE-178 (2023-084AT) | - | 401.415 | FM | UHF Downlink | re-entered |  | - |
| SPACEBEE-178 (2023-084AT) | - | 137.845 | LoRa | Mode V - LoRa | re-entered |  | - |
| SPACEBEE-3 | - | 137.950 | LoRa | LoRa | re-entered |  | - |
| SPACEBEE-3 | - | 137.845 | LoRa | 137.845 Lora | re-entered |  | - |
| SPACEBEE-3 | - | 137.975 | LoRa | 137.975 Lora | re-entered |  | - |
| SPACEBEE-3 | - | 137.920 | LoRa | 137.92 | re-entered |  | - |
| SPACEBEE-4 | - | 137.950 | LoRa | LoRa | re-entered |  | - |
| SPACEBEE-4 | - | 137.845 | LoRa | 137.845 Lora | re-entered |  | - |
| SPACEBEE-4 | - | 137.975 | LoRa | 137.975 Lora | re-entered |  | - |
| SPACEBEE-4 | - | 137.920 | LoRa | 137.92 | re-entered |  | - |
| SPACEBEE-5 | - | 137.950 | LoRa | LoRa | re-entered |  | - |
| SPACEBEE-5 | - | 137.845 | LoRa | 137.845 Lora | re-entered |  | - |
| SPACEBEE-5 | - | 137.975 | LoRa | 137.975 Lora | re-entered |  | - |
| SPACEBEE-5 | - | 137.920 | LoRa | 137.920 | re-entered |  | - |
| SPACEBEE-5 | - | 400.100 | FM | Mode U | re-entered |  | - |
| SPACECUBE (FR05
ON05FR) | - | 436.880 | AFSK | TLM GMSK | re-entered |  | - |
| SPACECUBE (FR05
ON05FR) | - | 436.877 | GMSK | KB9JHU TLM GMSK | re-entered |  | - |
| SpaceTeamSat1 (STS1) | - | 437.395 | GFSK | Mode U - GFSK1k2 - Transmitter | future |  | - |
| SpaceTeamSat1 (STS1) | - | 437.395 | CW | Mode U - CW | future |  | - |
| SpaceVan | - | 2271.750 | FM | Mode S - Transmitter | active |  | - |
| SpaceVan | - | 2288.500 | FM | Mode S - Transmitter | active |  | - |
| SpaceVan | - | 401.050 | FM | Telemetry | active |  | - |
| SPARCS | - | 2225.500 | FM | Mode S - Transmitter | active |  | - |
| SPARTAN | - | 400.360 | FSK | Mode U - FSK9k6 | active |  | - |
| SPATIUM-1 (SPATIUM) | - | 467.674 | FM | D467M | re-entered |  | - |
| SPATIUM-1 (SPATIUM) | - | 400.960 | FM | D400T | re-entered |  | - |
| SpeiSat (Guardian of Hope) | - | 437.500 | GMSK | Mode U - GMSK9k6 AX.25 | re-entered |  | - |
| Sphere-1 (Star Sphere (Sony )) | - | 2272.200 | FM | DST Mode S | active |  | - |
| Sphere-1 (Star Sphere (Sony )) | - | 8055.000 | FM | DXM Mode X | active |  | - |
| Sphinx/Frazier | - | 401.100 | GFSK | Mode U - GFSK38k4 | active |  | - |
| Sphinx/Frazier | - | 400.500 | GFSK | Mode U - GFSK38k4 - Transmitter | active |  | - |
| SPiN-1 (MA61C) | 401.000 | 401.000 | FSK AX.25 G3RUH | Mode U/U - GFSK 9k6 AX.25 G3RUH | active |  | - |
| SPIN-2 | - | 2230.000 | FM | Mode S - Transmitter | active |  | - |
| SPIN-2 | - | 401.025 | GMSK | Mode U - Transmitter | active |  | - |
| SPIN-2 | - | 402.000 | FM | Mode U - Fallback Frequency | active |  | - |
| SPINNAKER-3 (CP15) | - | 437.150 | FSK | Mode U - FSK9k6 AX.25 | re-entered |  | - |
| SPINNAKER-3 (CP15) | - | 437.150 | CW | Mode U - CW | re-entered |  | - |
| SpIRIT (Space Industry - Responsive - Intelligent - Thermal)) | - | 401.895 | FSK | Mode U - FSK9k6 Beacon | active |  | - |
| SPIRONE (Sejong university's Promising Eyes on envIRONment) | - | 436.650 | GMSK | Mode U - GMSK9k6 - Transmitter | active |  | - |
| SPIRONE (Sejong university's Promising Eyes on envIRONment) | - | 2425.100 | BPSK | Mode S - BPSK - 500bps - Transmitter | active |  | - |
| SPNeX (EGSACUBE_SPNEX) | - | 437.719 | CW | Mode U - Transmitter | active |  | - |
| SPOC | - | 437.350 | GMSK | GMSK9k6 TLM | re-entered |  | - |
| SPOC | - | 2401.300 | QPSK | QPSK 2Mbps | re-entered |  | - |
| SPOC | - | 437.450 | GMSK | Inactivity Beacon | re-entered |  | - |
| SpooQy-1 | - | 436.200 | MSK AX.100 Mode 5 | UHF GMSK4k8 | re-entered |  | - |
| SpooQy-1 | - | 436.200 | MSK AX.100 Mode 5 | UHF GMSK9k6 | re-entered |  | - |
| SPORT (Scintillation Prediction Observations Research Task) | - | 8075.000 | FM | X-band downlink | re-entered |  | - |
| SPORT (Scintillation Prediction Observations Research Task) | - | 400.860 | BPSK | Mode U 1k2 BPSK G3RUH AX.25 | re-entered |  | - |
| SPORT (Scintillation Prediction Observations Research Task) | - | 400.860 | BPSK | Mode U 9k6 BPSK G3RUH AX.25 | re-entered |  | - |
| SPOT 5 (2002-021A) | - | 2218.024 | FM | S-band telemetry | active |  | - |
| SPROUT | - | 437.525 | CW | CW Beacon | re-entered |  | - |
| SPROUT | - | 437.526 | CW | PE0SAT - CW Beacon | re-entered |  | - |
| SPROUT | - | 437.526 | AFSK | PE0SAT - 1k2 AFSK | re-entered |  | - |
| SPROUT | 437.600 | 437.600 | SSTV | SSTV | re-entered |  | - |
| SR-0 DemoSAT | - | 437.400 | FSK | Mode U - FSK9k6 AX.25 | re-entered |  | - |
| SR-0 DemoSAT | - | 437.400 | LoRa | Mode U - LoRa (BW: 125 kHz, SF: 9, CR: 7) | re-entered |  | - |
| SR-0 DemoSAT | - | 437.400 | FSK | Mode U - FSK1k2 AX.25 | re-entered |  | - |
| SRMSAT | - | 437.425 | CW | CW Beacon | active |  | - |
| SS-1 (YH1SSS) | 145.825 | 145.825 | AFSK | Mode V/V - AFSK1k2 APRS | re-entered |  | - |
| SS-1 (YH1SSS) | - | 435.825 | AFSK | Mode U - AFSK1k2 APRS | re-entered |  | - |
| SSAMUSAT (Sir Syed Aligarh Muslim University SATellite) | - | 2400.000 | QPSK | Mode S - QPSK - Beacon | future |  | - |
| SSIETSAT (UNITYSAT) | - | 436.000 | LoRa | Mode U - LoRa | re-entered |  | - |
| SSIETSAT (UNITYSAT) | - | 437.500 | AM | Mode U - AM/OOK | re-entered |  | - |
| SSS-1 | - | 435.750 | FSK AX.100 Mode 6 | Mode U - FSK 1200 | re-entered |  | - |
| SSS-1 | - | 435.750 | BPSK | Mode U - BPSK 4800 | re-entered |  | - |
| SSS-1 | - | 2405.100 | FM | Mode S - Transmitter | re-entered |  | - |
| SSS-2B (APSCO-SSS-2B) | - | 2283.300 | FM | S-Band Transmitter | re-entered |  | - |
| SSS-2B (APSCO-SSS-2B) | - | 435.800 | GMSK | Mode U - GMSK9k6 - AX.25 TLM and Beacon | re-entered |  | - |
| SSTL-S1 4 | - | 2240.000 | BPSK | S-band telemetry | active |  | - |
| Star Vibe | - | 437.025 | GMSK | Mode U - GMSK 4k8 AX.25 | active |  | - |
| STARCLOUD-1 (LUMEN-1) | - | 400.500 | FSK | Mode U - Transmitter | active |  | - |
| Starlink 1010 | - | 11325.000 | CW | Ku-band 11325 MHz beacon | re-entered |  | - |
| Starlink 1010 | - | 11575.000 | CW | Ku-band 11575 MHz beacon | re-entered |  | - |
| Starlink 1010 | - | 11950.000 | CW | Ku-band 11950 MHz beacon | re-entered |  | - |
| Starlink 1010 | - | 12450.000 | CW | Ku-band 12450 MHz beacon | re-entered |  | - |
| Starlink 2342 | - | 11325.000 | CW | Ku-band 11325 MHz beacon | active |  | - |
| Starlink 2342 | - | 11575.000 | CW | Ku-band 11575 MHz beacon | active |  | - |
| Starlink 2342 | - | 11950.000 | CW | Ku-band 11950 MHz beacon | active |  | - |
| Starlink 2342 | - | 12450.000 | CW | Ku-band 12450 MHz beacon | active |  | - |
| Starlink 3100 | - | 11325.000 | CW | Ku-band 11325 MHz beacon | active |  | - |
| Starlink 3100 | - | 11575.000 | CW | Ku-band 11575 MHz beacon | active |  | - |
| Starlink 3100 | - | 11950.000 | CW | Ku-band 11950 MHz beacon | active |  | - |
| Starlink 3100 | - | 12450.000 | CW | Ku-band 12450 MHz beacon | active |  | - |
| Starlink 4362 | - | 11325.000 | CW | Ku-band 11325 MHz beacon | active |  | - |
| Starlink 4362 | - | 11575.000 | CW | Ku-band 11575 MHz beacon | active |  | - |
| Starlink 4362 | - | 11950.000 | CW | Ku-band 11950 MHz beacon | active |  | - |
| Starlink 4362 | - | 12450.000 | CW | Ku-band 12450 MHz beacon | active |  | - |
| Starlink 4400 | - | 11325.000 | CW | Ku-band 11325 MHz beacon | active |  | - |
| Starlink 4400 | - | 11575.000 | CW | Ku-band 11575 MHz beacon | active |  | - |
| Starlink 4400 | - | 11950.000 | CW | Ku-band 11950 MHz beacon | active |  | - |
| Starlink 4400 | - | 12450.000 | CW | Ku-band 12450 MHz beacon | active |  | - |
| Starlink 4410 | - | 11325.000 | CW | Ku-band 11325 MHz beacon | active |  | - |
| Starlink 4410 | - | 11575.000 | CW | Ku-band 11575 MHz beacon | active |  | - |
| Starlink 4410 | - | 11950.000 | CW | Ku-band 11950 MHz beacon | active |  | - |
| Starlink 4410 | - | 12450.000 | CW | Ku-band 12450 MHz beacon | active |  | - |
| Starlink 4621 | - | 11325.000 | CW | Ku-band 11325 MHz beacon | active |  | - |
| Starlink 4621 | - | 11575.000 | CW | Ku-band 11575 MHz beacon | active |  | - |
| Starlink 4621 | - | 11950.000 | CW | Ku-band 11950 MHz beacon | active |  | - |
| Starlink 4621 | - | 12450.000 | CW | Ku-band 12450 MHz beacon | active |  | - |
| STARS (KUKAI: Mother (Parents) JR5YBN) | - | 437.275 | CW | CW (JR5YBO) | active |  | - |
| Stars-AO (JJ2YSY) | - | 437.350 | CW | CW Beacon | active |  | - |
| Stars-AO (JJ2YSY) | - | 437.400 | FM | FM | active |  | - |
| Stars-AO (JJ2YSY) | - | 437.200 | GMSK | High Speed 115kbpsGMSK | active |  | - |
| STARS-C | - | 437.245 | CW | Mother CW Telemetry | re-entered |  | - |
| STARS-C | - | 437.405 | AFSK | Mother AFSK Telemetry | re-entered |  | - |
| STARS-C | - | 437.254 | CW | Daughter CW Telemetry | re-entered |  | - |
| STARS-C | - | 437.425 | AFSK | Daughter AFSK Telemetry | re-entered |  | - |
| STARS-EC (Sanko) | - | 437.425 | FSK | Mode U - FSK9k6 - Cubesat B | re-entered |  | - |
| STARS-EC (Sanko) | - | 437.245 | CW | Mode U - CW Beacon - Cubesat A | re-entered |  | - |
| STARS-EC (Sanko) | - | 437.255 | CW | Mode U - CW Beacon - Cubesat B | re-entered |  | - |
| STARS-EC (Sanko) | - | 437.405 | FSK | Mode U - FSK9k6 - Cubesat A | re-entered |  | - |
| STARS-Me (JJ2YPL
JJ2YPM) | - | 437.245 | CW | Mother CW Beacon | re-entered |  | - |
| STARS-Me (JJ2YPL
JJ2YPM) | - | 437.255 | CW | Daughter CW Beacon | re-entered |  | - |
| STARS-Me (JJ2YPL
JJ2YPM) | - | 437.405 | AFSK | Mother AFSK1k2 | re-entered |  | - |
| STARS-Me (JJ2YPL
JJ2YPM) | - | 437.405 | GFSK | Mother GMSK9k6 | re-entered |  | - |
| STARS-Me (JJ2YPL
JJ2YPM) | - | 437.425 | AFSK | Daughter AFSK1k2 | re-entered |  | - |
| STARS-Me (JJ2YPL
JJ2YPM) | - | 437.425 | GMSK | Daughter GMSK9k6 | re-entered |  | - |
| STARS-Me2 (JJ2YXO) | - | 437.350 | CW | CW TLM | active |  | - |
| STARS-Me2 (JJ2YXO) | - | 437.400 | AFSK | 1k2 AFSK | active |  | - |
| STARS-Me2 (JJ2YXO) | - | 437.400 | GMSK | Mode U - GMSK9k6 AX.25 G3RUH | active |  | - |
| STEAMSAT-2 | - | 401.100 | FM | UHF Unknown | re-entered |  | - |
| STECCO | - | 435.800 | FSK | Mode U - FSK9k6 AX25 G3RUH | re-entered |  | - |
| STEP CubeLab-II | - | 437.485 | GMSK | Mode U - GMSK 9600 AX.25 | active |  | - |
| STEP-1 (Space Technology Experimental Projecet CubeSat Laboratory) | - | 437.485 | CW | Mode U CW Beacon | re-entered |  | - |
| STEP-1 (Space Technology Experimental Projecet CubeSat Laboratory) | - | 437.503 | FM | CW TLM Beacon (drifted) | re-entered |  | - |
| STEP-1 (Space Technology Experimental Projecet CubeSat Laboratory) | - | 437.488 | FM | FM-CW TLM beacon (drifted) | re-entered |  | - |
| STEREO-A | - | 8443.580 | FM | Mode X - 8443.58 MHz | active |  | - |
| STERNULA-1 | - | 157.262 | QPSK | VDE 1 Center | active |  | - |
| STERNULA-1 | - | 161.863 | QPSK | VDE 2 Center | active |  | - |
| STMSAT-1 | - | 437.800 | FM | Mode U FM SSTV Robot36 | re-entered |  | - |
| Stork 6 | - | 401.100 | FSK | UHF Unknown | active |  | - |
| STORK-1 (ThingSat) | - | 401.100 | FM | Mode U - FM | re-entered |  | - |
| STORK-1 (ThingSat) | - | 868.100 | LoRa | Mode U LoRa | re-entered |  | - |
| STORK-1 (ThingSat) | - | 2422.000 | LoRa | Mode S LoRa | re-entered |  | - |
| STORK-2 | - | 401.100 | FSK | Mode U - FSK | re-entered |  | - |
| STORK-3 | - | 401.100 | FSK | FSK 9600 | re-entered |  | - |
| STORK-3 | - | 401.100 | FM | UHF Unknown | re-entered |  | - |
| STORK-4 | - | 401.100 | FSK | FSK 9600 | re-entered |  | - |
| STORK-5 | - | 401.100 | FSK AX.25 G3RUH | FSK9600 | re-entered |  | - |
| STORK-5 (MARTA) | - | 401.100 | FM | Downlink | re-entered |  | - |
| STRAND-1 | - | 437.568 | FSK | UHF 9k6 FSK TLM | inactive |  | - |
| StratoSat TK-1 (RS52S) | - | 435.870 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| StratoSat TK-1 (RS52S) | - | 10498.060 | GFSK | Mode X - Unknown | re-entered |  | - |
| StratoSat TK-1-A (RS45S) | - | 435.060 | CW | Mode U - CW | re-entered |  | - |
| StratoSat TK-1-A (RS45S) | - | 436.260 | LoRa | Mode U - LoRa | re-entered |  | - |
| StratoSat TK-1-B (RS52SB) | - | 436.260 | LoRa | Mode U - LoRa | re-entered |  | - |
| StratoSat TK-1-B (RS52SB) | - | 436.260 | FSK | Mode U - FSK9K6 | re-entered |  | - |
| StratoSat TK-1-D (RS52SD) | - | 436.260 | LoRa | Mode U - LoRa | active |  | - |
| StratoSat TK-1-D (RS52SD) | - | 436.260 | FSK | Mode U - FSK9K6 | active |  | - |
| StratoSat TK-1-E (RS52SE) | - | 436.260 | LoRa | Mode U - LoRa | active |  | - |
| StratoSat TK-1-E (RS52SE) | - | 436.260 | FSK | Mode U - FSK9K6 | active |  | - |
| StratoSat TK-1-G (RS52SG) | - | 436.260 | LoRa | Mode U - LoRa | re-entered |  | - |
| StratoSat TK-1-G (RS52SG) | - | 436.260 | FSK | Mode U - FSK9K6 | re-entered |  | - |
| StratoSat TK-1-V (RS52SV) | - | 436.260 | LoRa | Mode U - LoRa | re-entered |  | - |
| StratoSat TK-1-V (RS52SV) | - | 436.260 | FSK | Mode U - FSK9K6 | re-entered |  | - |
| Strela-3M 13 | - | 388.687 | FM | UHF Unknown | active |  | - |
| Strela-3M 14 | - | 388.687 | FM | UHF Unknown | active |  | - |
| Strela-3M 15 | - | 388.687 | FM | UHF Unknown | active |  | - |
| Strela-3M 16 | - | 387.175 | FM | UHF Unknown | active |  | - |
| Strela-3M 16 | - | 388.687 | FM | UHF Unknown | active |  | - |
| Strela-3M 17 | - | 387.175 | FM | UHF Unknown | active |  | - |
| Strela-3M 17 | - | 388.687 | FM | UHF Unknown | active |  | - |
| Strela-3M 18 | - | 387.175 | FM | UHF Unknown | active |  | - |
| Strela-3M 18 | - | 388.687 | FM | UHF Unknown | active |  | - |
| STRIX-2 (2024-248A) | - | 2277.307 | FM | S-band telemetry | active |  | - |
| StriX-3 | - | 2277.300 | FM | Mode S 2 | active |  | - |
| StriX-3 | - | 2228.000 | FM | Mode S 3 | active |  | - |
| STRIX-ALPHA (2020-098A) | - | 2253.600 | BPSK | S-band telemetry | re-entered |  | - |
| SUCHAI | - | 437.230 | FSK | TLM 2k4 MSK | re-entered |  | - |
| SUCHAI | - | 437.230 | CW | TLM CW | re-entered |  | - |
| SUCHAI2 | - | 437.230 | FSK AX.100 Mode 5 | Mode U - FSK 2k4 AX.100 | re-entered |  | - |
| SUCHAI3 | - | 437.250 | FSK AX.100 Mode 5 | Mode U - FSK 2k4 AX.100 | re-entered |  | - |
| SUNSTORM | - | 2245.400 | GFSK Rktr | S-band Transmitter | re-entered |  | - |
| Suomi 100 | - | 437.775 | MSK AX.100 Mode 5 | GMSK9k6 TLM | active |  | - |
| SUOMI NPP (2011-061A) | - | 7812.000 | FM | X-band downlink | active |  | - |
| SUOMI NPP (2011-061A) | - | 8212.500 | FM | X-band dumps | active |  | - |
| SUOMI NPP (2011-061A) | - | 15003.400 | FM | Ku-band dumps to TDRS | active |  | - |
| SUOMI NPP (2011-061A) | - | 2247.500 | BPSK | S-band telemetry | active |  | - |
| Superdove 003 A13 | - | 2245.983 | FM | S-band telemetry | active |  | - |
| SUPERVIEW NEO-1 02 (2022-043C) | - | 2264.500 | BPSK | S-band telemetry | active |  | - |
| Superview-1 03 (2018-002A) | - | 2262.936 | FM | Mode S STRF | active |  | - |
| Superview-1 03 (2018-002A) | - | 2274.955 | FM | S-band telemetry | active |  | - |
| Superview-1 04 (2018-002B) | - | 2284.126 | BPSK | S-band telemetry | re-entered |  | - |
| SurfSat | - | 437.275 | FSK | FSK9k6 | re-entered |  | - |
| SUSAT (AU01 ON01AU) | - | 436.775 | FSK | TLM FSK | re-entered |  | - |
| SVOM (Space Variable Objects Monitor) | - | 137.710 | FM | Mode V - Transmitter 1 | active |  | - |
| SVOM (Space Variable Objects Monitor) | - | 137.720 | FM | Mode V - Transmitter 2 | active |  | - |
| SVOM (Space Variable Objects Monitor) | - | 137.730 | FM | Mode V - Transmitter 3 | active |  | - |
| SVOM (Space Variable Objects Monitor) | - | 137.740 | FM | Mode V - Transmitter 4 | active |  | - |
| SVOM (Space Variable Objects Monitor) | - | 137.750 | FM | Mode V - Transmitter 5 | active |  | - |
| SVOM (Space Variable Objects Monitor) | - | 137.760 | FM | Mode V - Transmitter 6 | active |  | - |
| SVOM (Space Variable Objects Monitor) | - | 137.770 | FM | Mode V - Transmitter 7 | active |  | - |
| SVOM (Space Variable Objects Monitor) | - | 137.780 | FM | Mode V - Transmitter 8 | active |  | - |
| SVOM (Space Variable Objects Monitor) | - | 2207.280 | FM | Mode S - S-Band Transmitter | active |  | - |
| Svyatobor-1 (RS60S) | - | 437.875 | GMSK USP | Mode U - GMSK 2k4 (USP FEC) TLM | active |  | - |
| Svyatobor-1 (RS60S) | - | 437.875 | GMSK | Mode U - GMSK 4k8 (USP FEC) TLM | active |  | - |
| SW1FT | - | 401.025 | FM | Mode U - FM | re-entered |  | - |
| SWAMPSAT | - | 437.385 | AFSK | Mode U AFSK9k6 AX.25 | re-entered |  | - |
| SwampSat-2 | - | 145.875 | GMSK | Mode V GMSK9k6 | re-entered |  | - |
| SwampSat-2 | - | 436.350 | GMSK | Mode U GMSK9k6 | re-entered |  | - |
| SwampSat-2 | - | 2432.000 | QPSK | Mode S QPSK 3Mbps | re-entered |  | - |
| SwampSat-2 | - | 435.600 | GMSK | Mode U GMSK9k6 | re-entered |  | - |
| SWARM A | - | 2249.000 | FM | S-Band (2249MHz) | active |  | - |
| SWARM B | - | 2270.000 | FM | S-Band (2270MHz) | active |  | - |
| SWARM C | - | 2277.000 | FM | S-Band (2277MHz) | active |  | - |
| SWAYAM | - | 437.025 | FSK | Mode U TLM 1k2 BFSK/CW | re-entered |  | - |
| SWAYAM | - | 437.025 | CW | Beacon | re-entered |  | - |
| Swiatowid (SR6SAT) | - | 435.500 | GFSK | Mode U GFSK9k6 | re-entered |  | - |
| Swiatowid (SR6SAT) | 436.000 | 145.850 | FM | Mode U/V FM | re-entered |  | - |
| Swiatowid (SR6SAT) | - | 2435.000 | GFSK | Mode S GFSK | re-entered |  | - |
| Swiatowid (SR6SAT) | - | 435.500 | AFSK | Mode U AFSK1k2 | re-entered |  | - |
| SWISSCUBE | - | 437.505 | CW | CW Beacon | active |  | - |
| SWISSCUBE | - | 437.505 | AFSK | FSK 1k2 Beacon | active |  | - |
| SWISSCUBE | - | 437.501 | CW | PE0SAT - CW Beacon | active |  | - |
| SWISSCUBE | - | 437.500 | BPSK | PE0SAT - 1k2 BPSK AFSK Tones | active |  | - |
| SWSU-60 (YUZGU-60) | - | 437.050 | AFSK | Mode U - AFSK 1k135 Beacon TLM | active |  | - |
| SWSU-60 (YUZGU-60) | - | 435.750 | AFSK | Mode U - AFSK 1k135 Beacon TLM | active |  | - |
| T.MicroSat-1 | - | 401.025 | GFSK | Mode U - GFSK9k6 - G3RUH AX.25 | active |  | - |
| TabletSat-Aurora (RS13S) | - | 435.550 | GMSK | Mode U - GMSK D-STAR | inactive |  | - |
| TAIFA-1 | - | 400.360 | GMSK | UHF 9k6 Telemetry | re-entered |  | - |
| Taijing 2-01 (OBJECT J) | - | 401.650 | BPSK | Downlink | re-entered |  | - |
| Taijing-1 01 or 02 | - | 401.250 | BPSK | Mode U - BPSK4k8 | re-entered |  | - |
| Taijing-4 01 (Taijing si hao 01) | - | 401.010 | FM | Mode U | re-entered |  | - |
| TAKA (BIRDS-5) | - | 145.825 | AFSK | Mode V APRS | re-entered |  | - |
| TAKA (BIRDS-5) | - | 437.375 | CW | Mode U CW TLM | re-entered |  | - |
| TAKA (BIRDS-5) | - | 437.375 | GMSK | Mode U GMSK4k8 AX.25 TLM | re-entered |  | - |
| Tanager 4001 (Tanager-1) | - | 8375.000 | FM | Mode X - Transmitter | active |  | - |
| TANCREDO-1 | - | 437.200 | FSK | 1k2 PCM-FSK TLM | re-entered |  | - |
| TANCREDO-1 | - | 437.290 | CW | CW TLM | re-entered |  | - |
| Tandem X (2010-030A) | - | 2280.000 | FM | S-band telemetry | active |  | - |
| TANSAAFL-2 (MX.2) | - | 2205.000 | BPSK | Mode S - BPSK 196.8 kbps | active |  | - |
| TANSAAFL-2 (MX.2) | - | 2282.500 | QPSK | Mode S - QPSK 131 kbps - (OUTSIDE US) | active |  | - |
| TANSAAFL-2 (MX.2) | - | 15500.000 | FM | Mode Ku - Radar | active |  | - |
| TANSAAFL-2 (MX.2) | - | 25600.000 | DVB-S2 | Mode Ka - DVB-S2 | active |  | - |
| Tansat (2016-081A) | - | 2218.326 | FM | Mode S | active |  | - |
| TANSUO 2 (TS-2) | - | 2217.363 | FM | S-band telemetry | active |  | - |
| Tanusha-3 (Tanusha-SWSU-3 (RS-8)RS8S) | - | 437.050 | FM | FM VOICE | re-entered |  | - |
| Tanusha-3 (Tanusha-SWSU-3 (RS-8)RS8S) | - | 437.050 | FSK | FSK Telemetry | re-entered |  | - |
| Tanusha-3 (Tanusha-SWSU-3 (RS-8)RS8S) | - | 437.050 | AFSK | 1k2 UHF TLM | re-entered |  | - |
| Tanusha-4 (Tanusha-SWSU-4 (RS-9)
RS9S) | - | 437.050 | FM | FM VOICE | re-entered |  | - |
| Tanusha-4 (Tanusha-SWSU-4 (RS-9)
RS9S) | - | 437.050 | FSK | FSK Telemetry | re-entered |  | - |
| TARGIT | - | 437.285 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| TartanArtibeus-1 (Unicorn-2TA1) | - | 401.820 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| TATARA-1 | - | 2280.000 | FM | Mode S - Transmitter | re-entered |  | - |
| TATARA-1R | - | 2280.000 | FM | Mode S - Transmitter | re-entered |  | - |
| TAURUS 1 | - | 401.763 | GFSK | Mode U - GFSK9k6 - TLM | active |  | - |
| TAURUS 2 | - | 401.763 | GFSK | Mode U - GFSK9k6 - TLM | active |  | - |
| TAURUS 3 | - | 401.763 | GFSK | Mode U - GFSK9k6 - TLM | active |  | - |
| TAURUS 4 | - | 401.763 | GFSK | Mode U - GFSK9k6 - TLM | active |  | - |
| Taurus-1 (Jinniuzuo-1) | - | 435.840 | BPSK | Mode U BPSK9k6 TLM | active |  | - |
| Taurus-1 (Jinniuzuo-1) | 145.820 | 436.760 | FM | Mode V/U FM 67.0 PL | active |  | - |
| TAUSAT-1 (TAU-SAT1) | - | 436.400 | BPSK | Mode U - BPSK9k6 AX.25 | re-entered |  | - |
| TAUSAT-2 (Tel Aviv University Satellite 2) | - | 436.400 | BPSK | Mode U - BPSK9k6 TLM AX.25 | re-entered |  | - |
| TBEX-A | - | 437.485 | GMSK | MODE U GMSK9k6 AX.25 | re-entered |  | - |
| TBEX-A | - | 150.012 | FM | MODE V Payload | re-entered |  | - |
| TBEX-A | - | 400.032 | FM | MODE U Payload | re-entered |  | - |
| TBEX-B | - | 437.535 | GMSK | MODE U GMSK9k6 AX.25 | re-entered |  | - |
| TBEX-B | - | 149.988 | FM | MODE V Payload | re-entered |  | - |
| TBEX-B | - | 399.968 | FM | MODE U Payload | re-entered |  | - |
| TBEX-B | - | 437.485 | GMSK | Mode U GMSK9k6 AX.25 | re-entered |  | - |
| Team Miles | - | 2295.740 | FM | Mode S downlink | future |  | - |
| TechEdSat-11 (TES-11) | - | 401.875 | FM | Mode U - Transmitter | active |  | - |
| TechEdSat-11 (TES-11) | - | 2280.000 | FM | Mode S - Transmitter | active |  | - |
| TechEdSat-22 (TES-22) | - | 401.875 | FM | Mode U - Transmitter | active |  | - |
| TECHNOSAT | - | 435.950 | GMSK | TLM GMSK | active |  | - |
| TECHNOSAT | - | 435.950 | CW | CW Beacon | active |  | - |
| TECHSAT 1B (GO-32 TechSat) | 145.930 | 435.225 | FSK | Mode V/U APRS,BBS 9K6 FSK | active |  | - |
| TECHSAT 1B (GO-32 TechSat) | 145.850 | 435.225 | FSK | Mode V/U APRS 9K6 FSK | active |  | - |
| TECHSAT 1B (GO-32 TechSat) | 145.890 | 435.225 | FSK | Mode V/U BBS 9k6 FSK | active |  | - |
| TECHSAT 1B (GO-32 TechSat) | 1269.900 | 435.225 | FSK | Mode L/U 9K6 FSK | active |  | - |
| TECHSAT 1B (GO-32 TechSat) | 1269.800 | 435.225 | FSK | Mode L/U 9K6 FSK | active |  | - |
| TECHSAT 1B (GO-32 TechSat) | 1269.700 | 435.225 | FSK | Mode L/U 9K6 FSK | active |  | - |
| TECHSAT 1B (GO-32 TechSat) | - | 435.225 | FSK | Mode U 9k6 FSK | active |  | - |
| TECHSAT 1B (GO-32 TechSat) | - | 435.325 | FSK | Mode U 9k6 FSK | active |  | - |
| TeikyoSat-4 (JS1YHH) | - | 437.450 | CW | Mode U - CW Beacon | active |  | - |
| TeikyoSat-4 (JS1YHH) | - | 437.450 | AFSK | Mode U - AFSK1k2 | active |  | - |
| TeikyoSat-4 (JS1YHH) | - | 437.450 | GMSK | Mode U - GMSK9k6 | active |  | - |
| TeikyoSat-4 (JS1YHH) | - | 437.450 | SSTV | Mode U - SSTV | active |  | - |
| TeikyoSat-4 (JS1YHH) | - | 5831.000 | FSK | Mode S - FSK115k2 | active |  | - |
| TeLEOS-1 | - | 148.688 | FM | Mode V TLM | re-entered |  | - |
| TeLEOS-2 | - | 2210.770 | FM | Mode S | active |  | - |
| Ten-Koh (JG6YKY; TENKOH) | 435.280 | 437.390 | GMSK | Telemetry GMSK9k6 AX.25 | active |  | - |
| Ten-Koh (JG6YKY; TENKOH) | - | 437.510 | WSJT | WSJT | active |  | - |
| Ten-Koh (JG6YKY; TENKOH) | - | 437.390 | CW | CW Beacon | active |  | - |
| Ten-Koh 2 (てんこう2) | 145.895 - 145.935 | 435.875 - 435.915 | USB | V/U Linear Transponder | future |  | - |
| Ten-Koh 2 (てんこう2) | - | 435.895 | GMSK | 4k8 ~ 38k4 FSK Telemetry, Photos, Pictures | future |  | - |
| Ten-Koh 2 (てんこう2) | - | 5839.000 | CW | CW | future |  | - |
| Ten-Koh 2 (てんこう2) | - | 435.860 | CW | CW | future |  | - |
| Ten-Koh 2 (てんこう2) | - | 435.860 | FM | Digitalker | future |  | - |
| Ten-Koh 2 (てんこう2) | - | 435.860 | AFSK | Downlink | future |  | - |
| Ten-Koh 2 (てんこう2) | - | 435.860 | GMSK | Downlink | future |  | - |
| Tenzing (AstroDigital Demo 8) | - | 400.502 | FM | Mode U | active |  | - |
| Tenzing (AstroDigital Demo 8) | - | 400.500 | FM | Mode U - FM | active |  | - |
| TERRA SAR X (2007-026A) | - | 2280.000 | FM | S-band telemetry | active |  | - |
| Test Satellite | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 1 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 10 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 11 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 12 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 13 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 14 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 15 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 16 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 17 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 18 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 19 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 2 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 3 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 4 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 5 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 6 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 7 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 8 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Test Satellite 9 | - | 435.240 | GFSK/BPSK | Test Transmitter | re-entered |  | - |
| Tevel-1 (T1OFK) | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | re-entered |  | - |
| Tevel-1 (T1OFK) | 145.970 | 436.400 | FM | Modu V/U - FM Transponder | re-entered |  | - |
| Tevel-2 (T2YRC) | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | re-entered |  | - |
| Tevel-2 (T2YRC) | 145.970 | 436.400 | FM | Modu V/U - FM Transponder | re-entered |  | - |
| Tevel-3 (T3TYB) | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | re-entered |  | - |
| Tevel-3 (T3TYB) | 145.970 | 436.400 | FM | Modu V/U - FM Transponder | re-entered |  | - |
| Tevel-4 (T4ATA) | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | re-entered |  | - |
| Tevel-4 (T4ATA) | 145.970 | 436.400 | FM | Modu V/U - FM Transponder | re-entered |  | - |
| Tevel-5 (T5SNG) | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | re-entered |  | - |
| Tevel-5 (T5SNG) | 145.970 | 436.400 | FM | Modu V/U - FM Transponder | re-entered |  | - |
| Tevel-6 (T6NZR) | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | re-entered |  | - |
| Tevel-6 (T6NZR) | 145.970 | 436.400 | FM | Modu V/U - FM Transponder | re-entered |  | - |
| Tevel-7 (T7ADM) | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | re-entered |  | - |
| Tevel-7 (T7ADM) | 145.970 | 436.400 | FM | Modu V/U - FM Transponder | re-entered |  | - |
| Tevel-8 (T8GBS) | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | re-entered |  | - |
| Tevel-8 (T8GBS) | 145.970 | 436.400 | FM | Modu V/U - FM Transponder | re-entered |  | - |
| TEVEL2-1 | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH - Beacon | active |  | - |
| TEVEL2-1 | 145.970 | 436.400 | FM | Mode V/U - FM Transponder | active |  | - |
| TEVEL2-2 | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | active |  | - |
| TEVEL2-2 | 145.970 | 436.400 | FM | Mode V/U - FM Transponder - Beacon | active |  | - |
| TEVEL2-3 | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH - Beacon | active |  | - |
| TEVEL2-3 | 145.970 | 436.400 | FM | Mode V/U - FM Transponder | active |  | - |
| TEVEL2-4 | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH - Beacon | active |  | - |
| TEVEL2-4 | 145.970 | 436.400 | FM | Mode V/U - FM Transponder | active |  | - |
| TEVEL2-5 | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH - Beacon | active |  | - |
| TEVEL2-5 | 145.970 | 436.400 | FM | Mode V/U - FM Transponder | active |  | - |
| TEVEL2-6 | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH - Beacon | active |  | - |
| TEVEL2-6 | 145.970 | 436.400 | FM | Mode V/U - FM Transponder | active |  | - |
| TEVEL2-7 | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH - Beacon | active |  | - |
| TEVEL2-7 | 145.970 | 436.400 | FM | Mode V/U - FM Transponder | active |  | - |
| TEVEL2-8 | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH | active |  | - |
| TEVEL2-8 | 145.970 | 436.400 | FM | Mode V/U - FM Transponder - Beacon | active |  | - |
| TEVEL2-9 | - | 436.400 | BPSK | Mode U - BPSK9k6 G3RUH - Beacon | active |  | - |
| TEVEL2-9 | 145.970 | 436.400 | FM | Mode V/U - FM Transponder | active |  | - |
| THEA | - | 400.595 | FSK AX.100 Mode 5 | Mode U - 2k4 TLM | active |  | - |
| THEOS (THEOS-1) | - | 2211.000 | BPSK | S-Band Telemetry | active |  | - |
| THEOS 2 | - | 2244.230 | FM | Mode S | active |  | - |
| THEOS 2A (THEOS 2 SMALLSAT) | - | 2236.666 | FM | Mode S - Transmitter | re-entered |  | - |
| Thybolt-1 | - | 436.175 | FSK | Data and telemetry | re-entered |  | - |
| Thybolt-1 | - | 435.360 | CW | Beacon | re-entered |  | - |
| Thybolt-2 | - | 435.360 | CW | Beacon | re-entered |  | - |
| Thybolt-2 | - | 436.175 | FSK | Data and telemetry | re-entered |  | - |
| Tianjin Daxue 1 (Unknown Satellite 21117A) | - | 401.901 | FM | Mode U | re-entered |  | - |
| Tianping 1B (2018-094E) | - | 2273.500 | BPSK | S-band telemetry | re-entered |  | - |
| Tianping 1B (2018-094E) | - | 2273.528 | FM | Telemetry | re-entered |  | - |
| TIANQI 21 (2023-135A) | - | 400.450 | LoRa | LoRa | active |  | - |
| TIANQI 21 (2023-135A) | - | 400.264 | FM | Mode U - Transmitter | active |  | - |
| TIANQI 22 (2023-135B) | - | 400.450 | LoRa | LoRa | active |  | - |
| TIANQI 23 (2023-135C) | - | 400.450 | LoRa | LoRa | active |  | - |
| TIANQI 23 (2023-135C) | - | 400.265 | LoRa | LoRa telemetry | active |  | - |
| Tianqi 3 (Tao Xingzhi) | - | 400.575 | FM | Mode U - IOT | re-entered |  | - |
| Tianqi-10 (Tianqi Xingzuo 10) | - | 401.350 | FSK | Mode U | re-entered |  | - |
| Tianqi-10 (Tianqi Xingzuo 10) | - | 400.100 | FM | Mode U | re-entered |  | - |
| Tianqi-10 (Tianqi Xingzuo 10) | - | 400.450 | LoRa | UHF LoRa | re-entered |  | - |
| Tianqi-11 | - | 400.876 | FM | Telemetry | re-entered |  | - |
| Tianqi-24 | - | 400.450 | LoRa | Mode U - LoRa | active |  | - |
| Tianqi-4B (TQ 4B) | - | 401.612 | FM | Mode U - Downlink | re-entered |  | - |
| TIANQI-6 (Tiange-6) | - | 400.500 | - | Downlink | active |  | - |
| TIANQI-8 | - | 400.900 | FM | FM | re-entered |  | - |
| Tianqi-9 (Tianqi Xingzuo 09) | - | 401.350 | FM | Mode U | re-entered |  | - |
| TIANTUO 2 (2014-053B) | - | 2289.609 | BPSK | S-band telemetry | re-entered |  | - |
| TIANWANG 1A (TW-1AShangkeda-2SECM) | - | 435.645 | GMSK | Mode U GMSK4k8 Camera | re-entered |  | - |
| TIANWANG 1A (TW-1AShangkeda-2SECM) | - | 435.645 | GMSK | Mode U GMSK9k6 | re-entered |  | - |
| TIANWANG 1B (TW-1BNJUST-2) | - | 435.645 | GMSK | Mode U GMSK9k6 | re-entered |  | - |
| TIANWANG 1B (TW-1BNJUST-2) | - | 437.645 | GMSK | Mode U GMSK4k8 AIS | re-entered |  | - |
| TIANWANG 1C (TW-1CNJFA-1) | - | 435.645 | GMSK | Mode U GMSK9k6 | re-entered |  | - |
| TIANWANG 1C (TW-1CNJFA-1) | - | 435.645 | GMSK | Mode U GMSK4k8 ADS-B | re-entered |  | - |
| Tianwen-1 | - | 8430.530 | FM | Mode X | active |  | - |
| Tianxiang-1 (Zhongdian Wangtong 1A) | - | 401.800 | FM | Downlink | active |  | - |
| Tianyan 05 (Dianzi keji daxue) | - | 401.851 | FM | Mode U | re-entered |  | - |
| TIANYAN 23 (2025-051B) | - | 401.155 | FM | Telemetry | active |  | - |
| TIANYI B | - | 401.251 | FSK | Mode U TLM | active |  | - |
| TIANYI C | - | 401.100 | FSK | Mode U TLM | active |  | - |
| Tianyi-16 (2019-087C - Unknown Satellite) | - | 401.800 | FM | Downlink | re-entered |  | - |
| Tianyi-17 (Object F) | - | 464.354 | BPSK | UHF Unknown | re-entered |  | - |
| Tianyi-26 (Object W) | - | 401.900 | LoRa | Lora | active |  | - |
| Tianyi-33 (2023-193A) | - | 401.662 | FM | Telemetry | re-entered |  | - |
| Tianzhi-2D | - | 401.900 | FM | Mode U - Beacon | re-entered |  | - |
| Tiger 8 (2024-043Y) | - | 2240.500 | FM | S-band telemetry | active |  | - |
| Tiger-2 ( Ayan-21) (2021-059BT) | - | 2282.200 | BPSK | S-band telemetry | re-entered |  | - |
| Tiger-2 ( Ayan-21) (2021-059BT) | - | 401.051 | FM | Telemetry | re-entered |  | - |
| TIGER-7 (2024-043AV) | - | 2240.548 | BPSK | S-band telemetry | active |  | - |
| TIGRISAT (HNATIG) | - | 435.000 | FSK | 9k6 FSK TLM | active |  | - |
| TIMATION-II | - | 137.383 | CW | carrier wave | active |  | - |
| Time Flies | - | 2260.000 | GMSK | Mode S - Transmitter | active |  | - |
| TIROS-10 | - | 136.232 | FM | Mode V | active |  | - |
| TIROS-10 | - | 235.000 | SSTV | TV | active |  | - |
| TIROS-10 | - | 136.920 | FM | 50mW BCN | active |  | - |
| TIROS-N (Television Infrared Observation Satellite-N) | - | 137.770 | CW | Mode V | active |  | - |
| TIROS-N (Television Infrared Observation Satellite-N) | - | 137.500 | APT | APT | inactive |  | - |
| TIROS-N (Television Infrared Observation Satellite-N) | - | 1698.000 | BPSK | Telemetry / Data ? | active |  | - |
| TISAT 1 | 145.980 | 145.980 | FM | DOWN: CW in FM, UP: DTMF commands | active |  | - |
| TISAT 1 | - | 437.305 | CW | CW TLM 19wpm | active |  | - |
| TJREVERB (WJ2XXB) | 145.825 | 145.825 | AFSK | Mode V APRS | re-entered |  | - |
| TJREVERB (WJ2XXB) | - | 144.390 | AFSK | Mode V | re-entered |  | - |
| Tomorrow R2 | - | 400.500 | FSK | Telemetry | active |  | - |
| Tomorrow-R1 | - | 400.500 | GFSK | Mode U - GFSK38k4 - TT&C downlink | re-entered |  | - |
| Tomorrow-S1 | - | 8030.000 | OQPSK | Mode X - OQPSK | active |  | - |
| Tomorrow-S2 | - | 8030.000 | OQPSK | Mode X - OQPSK | active |  | - |
| TORO | - | 435.410 | GMSK | UHF 9k6 Telemetry | active |  | - |
| TORO-2 | - | 401.580 | GFSK | Mode U - GFSK4k8 - Transmitter | active |  | - |
| TPA-1 | - | 2220.500 | GMSK | Mode S - Transmitter | active |  | - |
| TPA-1 | - | 401.900 | GFSK | Mode U - GFSK2k4 | inactive |  | - |
| TPA-1 | - | 401.900 | GFSK | Mode U - GFSK9k6 | active |  | - |
| TRAILBLAZER (SPA-1) | - | 437.425 | FM | Telem | re-entered |  | - |
| TRANSIT 5B-5 (OPS 6582) | - | 136.659 | USB | Upper side band (drifting) | active |  | - |
| TRANSIT 5B-5 (OPS 6582) | - | 136.650 | FMN | TLM | active |  | - |
| TRANSIT 5B-5 (OPS 6582) | - | 324.000 | FM | 324 MHz beacon | active |  | - |
| TRANSIT 5B-5 (OPS 6582) | - | 162.000 | FM | 162 MHz beacon | active |  | - |
| TRANSIT 5B-5 (OPS 6582) | - | 149.988 | FM | 150 MHz beacon | active |  | - |
| TRANSIT 5B-5 (OPS 6582) | - | 400.000 | FM | 400Mhz beacon | active |  | - |
| Transporter 8 Satellite F | - | 401.050 | FM | Mode U - Transmitter | re-entered |  | - |
| TRISAT | - | 435.613 | GFSK | Telemetry | re-entered |  | - |
| TRISAT-R | - | 435.613 | GFSK | Mode U - GFSK 1kbps TLM | active |  | - |
| TRISAT-S | - | 2280.550 | FM | Mode S - Transmitter | future |  | - |
| TRITON (FORMOSAT-7R) | - | 400.900 | CW | Mode U | active |  | - |
| TRITON-1 | - | 145.818 | CW | Mode 1200bps RC-BPSK CW | active |  | - |
| TRITON-1 | - | 145.815 | CW | Primary TLM - CW | active |  | - |
| TRITON-1 | - | 145.815 | AFSK | Primary TLM - AFSK1k2 | active |  | - |
| TRITON-1 | - | 145.860 | CW | Secondary TLM - CW | active |  | - |
| TRITON-1 | - | 145.860 | AFSK | Secondary TLM - AFSK1k2 | active |  | - |
| TRITON-1 | - | 2408.000 | FM | Mode S Beacon | active |  | - |
| TROLL | - | 2281.250 | FM | Mode S - Transmitter 2 | active |  | - |
| TROLL | - | 2256.250 | BPSK | Mode S - Transmitter 1 | active |  | - |
| TROPICS PATHFINDER (TROPICS-01) | - | 2252.250 | FM | S-band telemetry | re-entered |  | - |
| TROPICS-03 | - | 2252.250 | FM | S-Band transmitter | re-entered |  | - |
| TROPICS-05 | - | 2252.250 | FM | S-Band transmitter | re-entered |  | - |
| TROPICS-06 | - | 2252.250 | FM | S-Band transmitter | re-entered |  | - |
| TRSI-2 | - | 437.075 | BPSK | Mode U TLM BPSK | re-entered |  | - |
| TRSI-3 | - | 437.075 | MFSK | Mode U TLM | re-entered |  | - |
| TRSI-Sat | - | 437.075 | MFSK | Mode U MFSK | re-entered |  | - |
| TRSI-Sat | - | 437.075 | BPSK | Mode U MFSK - BPSK1k2 | re-entered |  | - |
| TRSI-Sat | - | 437.057 | FM | Mode U Backup Beacon | re-entered |  | - |
| TRYAD-1 | - | 401.475 | FM | Mode U - Transmitter | inactive |  | - |
| TRYAD-2 | - | 401.475 | FM | Mode U - Transmitter | active |  | - |
| TSINGHUA SCIENCE (2020-054B) | - | 2212.795 | FM | S-band telemetry | re-entered |  | - |
| Tsiolkovsky-Ryazan 1 (RS9S) | - | 437.025 | AFSK | Mode U Payload 1K2 RS9S | re-entered |  | - |
| Tsiolkovsky-Ryazan 1 (RS9S) | - | 437.050 | AFSK | Mode U TLM 1K2 | re-entered |  | - |
| Tsiolkovsky-Ryazan 2 (RS12S) | - | 437.013 | AFSK | Mode U Payload 1K2 RS12S | re-entered |  | - |
| Tsiolkovsky-Ryazan 2 (RS12S) | - | 437.050 | AFSK | Mode U TLM 1K2 | re-entered |  | - |
| Tsuru (JG6YMX) | - | 145.825 | AFSK | Mode U - AFSK1k2 APRS | re-entered |  | - |
| Tsuru (JG6YMX) | - | 437.375 | FSK | Mode U - FSK4k8 AX25 G3RUH | re-entered |  | - |
| Tsuru (JG6YMX) | - | 437.375 | CW | Mode U - CW Beacon | re-entered |  | - |
| TTU100 (TTÜSat) | - | 435.450 | CW | Telemetry (50 ms unit length morse) | re-entered |  | - |
| TTU100 (TTÜSat) | - | 435.450 | FSK AX.25 G3RUH | Telemetry | re-entered |  | - |
| TTU101 (TTÜ101) | - | 435.450 | GMSK | Mode U GMSK9k6 AX.25 TLM | re-entered |  | - |
| TTU101 (TTÜ101) | - | 435.450 | GFSK | Mode U GFSK9k6 AX.25 TLM | re-entered |  | - |
| TTU101 (TTÜ101) | - | 10460.000 | OQPSK | Mode Ku OQPSK 20mbps | re-entered |  | - |
| TUBIN (2BIN) | - | 435.950 | GMSK | Mode U - GMSK9k6 TLM (Mobitex) | re-entered |  | - |
| TUBIN (2BIN) | - | 435.950 | GMSK | Mode U - GMSK4k8 TLM (Mobitex) | re-entered |  | - |
| TUBIN (2BIN) | - | 8392.500 | FM | Mode X (active over Europe) | re-entered |  | - |
| TUBIN (2BIN) | - | 2266.000 | BPSK | S-band telemetry 2266 | re-entered |  | - |
| TUBIN (2BIN) | - | 2263.000 | BPSK | S-band telemetry 2263 | re-entered |  | - |
| TUMnanoSAT | - | 436.680 | GMSK | Mode U - GMSK9k6 AX.25 TLM | re-entered |  | - |
| TURKSAT-3U | - | 437.225 | CW | 437.225 CW | active |  | - |
| TUSUR GO (RS78S) | - | 437.730 | CW | Mode U - CW Beacon | inactive |  | - |
| TUSUR GO (RS78S) | - | 10475.000 | DVB-S2 | Mode X - DVB-S2 | active |  | - |
| TUSUR GO (RS78S) | - | 437.730 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Telemetry (Geoscan framing) | active |  | - |
| TY-41 | - | 401.750 | FSK AX.100 Mode 5 | Mode U - FSK19k2 | active |  | - |
| TY-5 (Object B) | - | 401.793 | FSK AX.100 Mode 5 | Mode U - Telemetry | re-entered |  | - |
| TY-8 | - | 401.801 | GMSK | Mode - U | re-entered |  | - |
| Tyche | - | 8200.000 | FM | Mode X - Transmitter | active |  | - |
| Tyche | - | 2230.000 | FM | Mode S - Transmitter | active |  | - |
| Tyvak 0130 (2021-041BF) | - | 400.765 | FM | Possible Downlink | active |  | - |
| Tyvak 0130 (2021-041BF) | - | 400.781 | FSK | Downlink | active |  | - |
| Tyvak 0130 (2021-041BF) | - | 2201.700 | BPSK | S-band telemetry | active |  | - |
| UBAKUSAT | - | 437.225 | CW | TLM CW | re-entered |  | - |
| UBAKUSAT | - | 437.325 | FSK | TLM FSK9K6 | re-entered |  | - |
| UBAKUSAT | 145.935 - 145.960 | 435.200 - 435.250 | USB | Linear Transponder | re-entered |  | - |
| UCLSAT | - | 435.975 | FSK | TLM 9k6 FSK | re-entered |  | - |
| UFO 11 (USA 174) | - | 262.325 | FM | Mode U | active |  | - |
| Uguisu (JG6YLE) | - | 437.375 | GMSK | UHF GMSK4k8 | re-entered |  | - |
| Uguisu (JG6YLE) | - | 437.375 | CW | UHF CW TLM | re-entered |  | - |
| uHETSat (microHETSat) | - | 401.500 | FSK | Mode U - Transmitter | active |  | - |
| UiTMSat-1 (JG6YKN) | - | 437.375 | CW | CW BEACON | re-entered |  | - |
| UiTMSat-1 (JG6YKN) | 145.825 | 145.825 | AFSK | APRS digipeater | re-entered |  | - |
| UiTMSAT-2 | - | 437.375 | CW | CW | active |  | - |
| UiTMSAT-2 | - | 145.825 | AFSK | Mode V/V - AFSK1k2 - Digipeater | active |  | - |
| UiTMSAT-2 | - | 437.375 | GMSK | Mode U - GMSK4k8 - TLM | active |  | - |
| Ukpik-1 | - | 437.160 | GFSK | Mode U - 2GFSK 9K6 AX.25 | re-entered |  | - |
| UKUBE-1 | - | 145.840 | CW | CW TLM beacon callsign UKUBE-1 | active |  | - |
| UKUBE-1 | - | 145.840 | BPSK | BPSK TLM 1k2 callsign UKUBE-1 | active |  | - |
| UKUBE-1 | - | 145.844 | CW | CW Beacon (drifted) | active |  | - |
| UKUBE-1 | - | 145.844 | CW | CW TLM beacon (current) | active |  | - |
| UKUBE-1 | 435.074 - 435.094 | 145.930 - 145.950 | USB | Inverting linear transponder | active |  | - |
| UKUBE-1 | - | 145.915 | BPSK | FUNcube-2 telemetry (drifted) | active |  | - |
| UM5Sat-EOsat | - | 401.275 | GFSK | Mode U - GFSK2k4 | active |  | - |
| UM5Sat-Ribat | - | 401.100 | GFSK | Mode U - GFSK2k4 | active |  | - |
| UM5Sat-Ribat | - | 401.600 | FSK AX.100 Mode 5 | Mode U - Telemetry | active |  | - |
| UM5Sat-Ribat | - | 2208.000 | BPSK | S-band telemetry | active |  | - |
| Umbra 01 (Umbra-SAR 2001) | - | 8150.000 | FM | X-band Downlink | re-entered |  | - |
| Umbra 01 (Umbra-SAR 2001) | - | 9600.000 | FM | X-band SAR | re-entered |  | - |
| Umbra 01 (Umbra-SAR 2001) | - | 2253.988 | BPSK | S-band TT&C | re-entered |  | - |
| Umbra 02 | - | 8150.000 | FM | X-band downlink | re-entered |  | - |
| Umbra 02 | - | 2254.000 | FM | S-band TT&C | re-entered |  | - |
| Umbra 02 | - | 9600.000 | FM | X-band SAR | re-entered |  | - |
| Umbra 03 | - | 2254.000 | FM | S-band TT&C | re-entered |  | - |
| Umbra 03 | - | 8150.000 | FM | X-band Downlink | re-entered |  | - |
| Umbra 03 | - | 9600.000 | FM | X-band SAR | re-entered |  | - |
| Umbra 04 | - | 2254.000 | FM | S-band TT&C | re-entered |  | - |
| Umbra 04 | - | 8150.000 | FM | X-band Downlink | re-entered |  | - |
| Umbra 04 | - | 9600.000 | FM | X-band SAR | re-entered |  | - |
| Umbra 05 | - | 8150.000 | FM | X-band Downlink | re-entered |  | - |
| Umbra 05 | - | 9600.000 | FM | X-band SAR | re-entered |  | - |
| Umbra 05 | - | 2254.000 | FM | S-band TT&C | re-entered |  | - |
| UMBRA 07 | - | 2254.000 | FM | S-band TT&C | active |  | - |
| UMBRA 08 | - | 2254.000 | FM | S-band TT&C | re-entered |  | - |
| Umbra 09 | - | 2254.000 | FM | Mode S - Transmitter | active |  | - |
| Umbra 10 | - | 2254.000 | FM | Mode S - Transmitter | active |  | - |
| UmKA-1 (RS40S) | - | 435.825 | FSK | Mode U - GMSK 4k8 (G3RUH) TLM | inactive |  | - |
| UmKA-1 (RS40S) | - | 437.625 | FSK | Mode U - GMSK 2k4 (G3RUH) TLM | inactive |  | - |
| UmKA-1 (RS40S) | - | 437.625 | GMSK USP | Mode U - GMSK 9k6 (USP) TLM | active |  | - |
| UmKA-1 (RS40S) | - | 437.625 | GMSK USP | Mode U - GMSK 2k4 (USP) TLM | inactive |  | - |
| UmKA-1 (RS40S) | - | 2402.400 | BPSK | Mode S - BPSK 2Mbps TLM | active |  | - |
| UmKA-1 (RS40S) | - | 437.625 | SSTV | Mode U - SSTV | active |  | - |
| UmKA-1 (RS40S) | - | 437.625 | GMSK USP | Mode U - GMSK 4k8 (USP) TLM | active |  | - |
| UmKA-1 (RS40S) | - | 437.625 | CW | Mode U - CW | active |  | - |
| UND ROADS 1 | - | 145.900 | FSK AX.100 Mode 5 | Mode V - GFSK19k2 - Backup | active |  | - |
| UND ROADS 1 | - | 2401.875 | QPSK | Mode S - QPSK 1Msps | active |  | - |
| UND ROADS 1 | 145.900 | 145.900 | FSK AX.100 Mode 5 | Mode V/V - GMSK1k2 - Digipeater | inactive |  | - |
| UND ROADS 1 | 435.400 | 435.400 | FSK AX.100 Mode 5 | Mode U/U - GMSK1k2 - Digipeater | inactive |  | - |
| UND ROADS 1 | - | 435.400 | GFSK | Mode U - GFSK9k6 | active |  | - |
| UND ROADS 1 | - | 435.400 | FSK AX.100 Mode 5 | Mode U - GFSK4k8 | inactive |  | - |
| UND ROADS 2 | - | 145.900 | FSK AX.100 Mode 5 | Mode V - GFSK19k2 - Backup | active |  | - |
| UND ROADS 2 | - | 2401.875 | QPSK | Mode S - QPSK 1Msps | active |  | - |
| UND ROADS 2 | 145.900 | 145.900 | FSK AX.100 Mode 5 | Mode V/V - GMSK1k2 - Digipeater | inactive |  | - |
| UND ROADS 2 | 435.400 | 435.400 | FSK AX.100 Mode 5 | Mode U/U - GMSK1k2 - Digipeater | inactive |  | - |
| UND ROADS 2 | - | 435.400 | FSK AX.100 Mode 5 | Mode U - GFSK9k6 | active |  | - |
| UND ROADS 2 | - | 435.400 | FSK AX.100 Mode 5 | Mode U - GFSK4k8 | inactive |  | - |
| UNIBRITE (CANX-3A) | - | 2234.400 | BPSK | Mode U - Telemetry (512000) | inactive |  | - |
| Unicorn-1 | - | 401.820 | FSK | Mode U - FSK9k6 AX.25 | re-entered |  | - |
| Unicorn-2A | - | 401.820 | FSK | Mode U - GFSK9k6 | re-entered |  | - |
| UNICORN-2D | - | 401.820 | FSK | Mode U - FSK9k6 | re-entered |  | - |
| UNICORN-2I | - | 401.820 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| Unicorn-2O (2025-052BS) | - | 401.821 | FM | Telemetry | active |  | - |
| Unicorn-2P (2025-052BT) | - | 401.821 | FM | Telemetry | active |  | - |
| UNICORN-2Q (2025-052BM) | - | 401.821 | FM | Telemetry | re-entered |  | - |
| Unidentified | - | 2265.150 | BPSK | Mode S - Transmitter | active |  | - |
| UNIFORM 1 (2014-029B) | - | 2228.005 | FM | S-band telemetry | active |  | - |
| UNISAT-6 | - | 437.422 | FSK | 9k6 FSK TLM | active |  | - |
| UNISAT-7 | - | 437.425 | FSK | TLM | active |  | - |
| Unknown | - | 436.600 | FSK AX.100 Mode 5 | Unknown | re-entered |  | - |
| Unknown Satellite from Transporter 5 | - | 401.050 | BPSK | Mode U - Unknown Signal | re-entered |  | - |
| Unknown - 24110B | - | 401.950 | FM | Mode U - Transmitter | active |  | - |
| Unknown - 24110D | - | 401.950 | FM | Mode U - Transmitter | active |  | - |
| Unknown 25055H | - | 437.125 | FSK | Mode U - Transmitter | active |  | - |
| Unknown 99695 | - | 401.900 | FSK | Mode U - Transmitter | active |  | - |
| Unknown Satellite | - | 437.600 | FSK | Mode U - Transmitter | active |  | - |
| Unknown Satellite | - | 436.550 | LoRa | Mode U - LoRa | active |  | - |
| Unknown Satellite - 19093H | - | 401.952 | FM | Mode U | active |  | - |
| Unknown Satellite - 19093L | - | 401.355 | FM | Mode U | active |  | - |
| Unknown Satellite from VV23 | - | 401.050 | FM | Mode U - Transmitter | active |  | - |
| Unknown_2_T11 | - | 401.050 | GFSK | Mode U - GFSK | active |  | - |
| Unknown_3_T11 (2024-149A) | - | 2247.322 | BPSK | S-band telemetry | active |  | - |
| UNSW-ECO (AU02 ON02AU) | - | 436.530 | GMSK | UHF TLM GMSK4k8 | re-entered |  | - |
| UNSW-ECO (AU02 ON02AU) | - | 2400.500 | FM | S-Band downlink | re-entered |  | - |
| UOSAT 2 (UO-11 OSCAR-11) | - | 145.825 | AFSK | 1k2 AFSK TLM | active |  | - |
| UOSAT 2 (UO-11 OSCAR-11) | - | 435.025 | AFSK | 1k2 AFSK Payload | inactive |  | - |
| UOSAT 2 (UO-11 OSCAR-11) | - | 435.025 | PSK | 4k8 PSK Payload | inactive |  | - |
| UOSAT 2 (UO-11 OSCAR-11) | - | 2401.500 | FM | FM Beacon | inactive |  | - |
| UPMSat 2 | - | 437.405 | BPSK | PE0SAT - 1k2 BPSK AFSK Tones | re-entered |  | - |
| UPMSat 2 | - | 437.405 | FSK | Mode U - FSK1k2 - AX.25 | re-entered |  | - |
| UPSAT (GR02 ON02GR) | - | 435.765 | FSK | TLM 9k6 FSK | re-entered |  | - |
| UPSAT (GR02 ON02GR) | - | 435.769 | FSK | KB9JHU TLM 9k6 FSK | re-entered |  | - |
| UPSAT (GR02 ON02GR) | - | 435.765 | CW | Mode U - CW | re-entered |  | - |
| URESAT-1 (Hades-B) | 145.975 | 436.888 | FM | V/U FM voice repeater | re-entered |  | - |
| URESAT-1 (Hades-B) | - | 436.888 | CW | CW beacon | re-entered |  | - |
| URESAT-1 (Hades-B) | - | 436.888 | FSK | Mode U - FSK 50 bps - Telemetry | re-entered |  | - |
| URSA MAIOR (IT02) | - | 435.950 | FSK | TLM 9k6 FSK | re-entered |  | - |
| USA 181 (2005-004A) | - | 2232.504 | FM | S-band telemetry | active |  | - |
| USA 184 | - | 2232.520 | FM | Mode S1 | active |  | - |
| USA 184 | - | 2277.520 | FM | Mode S2 | active |  | - |
| USA 229 (2011-014A) | - | 2257.506 | FM | S-band telemetry | active |  | - |
| USA 238 (2012-048A) | - | 2232.500 | BPSK | S-band telemetry | active |  | - |
| USA 247 (NROL-39) | - | 2242.502 | FM | S-band telemetry | active |  | - |
| USA 264 (2015-058A and NOSS 3-7 (A)) | - | 2232.500 | FM | Mode S | active |  | - |
| USA 570 (2025-291A) | - | 2277.520 | FM | S-band telemetry | active |  | - |
| UTMN (SXC3-216 RS23S) | - | 435.670 | GMSK | Mode U - GMSK 2k4 (USP FEC) TLM | re-entered |  | - |
| UTMN (SXC3-216 RS23S) | - | 10485.000 | DVB-S2 | Mode X - DVB-S2 | re-entered |  | - |
| UTMN (SXC3-216 RS23S) | - | 435.670 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | re-entered |  | - |
| UTMN2 (RS27S) | - | 436.125 | GMSK USP | Mode U - GMSK 4k8 (USP FEC) TLM | active |  | - |
| UTMN2 (RS27S) | - | 436.125 | GMSK USP | Mode U - GMSK 2k4 (USP FEC) TLM | active |  | - |
| UTMN2 (RS27S) | - | 435.680 | GMSK USP | Mode U - GMSK 9k6 (USP FEC) TLM | active |  | - |
| UTMN2 (RS27S) | - | 436.125 | SSTV | Mode U - Robot 36 SSTV | active |  | - |
| UVSQ-SAT (LATMOS-1) | - | 437.020 | BPSK | Mode U - BPSK9k6 GR3UH AX.25 | re-entered |  | - |
| UVSQ-SAT (LATMOS-1) | 145.905 | 437.020 | FM | Mode V/U - FM Transceiver | re-entered |  | - |
| UVSQ-SAT (LATMOS-1) | - | 437.020 | BPSK | Mode U - BPSK1k2 GR3UH AX.25 | re-entered |  | - |
| UVSQ-SAT-NG (UVSQsat-NG) | - | 2208.000 | FM | Mode S - Transmitter | active |  | - |
| UVSQ-SAT-NG (UVSQsat-NG) | - | 401.850 | BPSK | Mode U - BPSK9k6 | active |  | - |
| UWE-3 | - | 437.384 | FSK | PE0SAT - 9k6 FSK TLM | active |  | - |
| UWE-3 | - | 437.385 | FSK | 9k6 FSK TLM | active |  | - |
| UWE-3 | - | 436.395 | FSK | Transmitter | active |  | - |
| UWE-4 (DP0UWH) | - | 437.385 | FSK | FSK9k6 AX.25 TLM - 16K0F2D | inactive |  | - |
| UWE-4 (DP0UWH) | - | 435.600 | FSK | Mode U - FSK 9600 AX.25 | active |  | - |
| VCUB1 | - | 401.550 | FM | Mode U - Transmitter 1 | re-entered |  | - |
| VCUB1 | - | 400.575 | FM | Mode U - Transmitter 2 | re-entered |  | - |
| VCUB1 | - | 2205.000 | QPSK | Mode S - Telemetry (1000000) | re-entered |  | - |
| VDNH-80 | - | 436.500 | GMSK | Mode U Mobitex 4k8 | re-entered |  | - |
| VEERY-0E “Ectobius” (Fledgling Veery Ectobius) | - | 437.125 | FSK | Mode U - 9k6 FSK | active |  | - |
| Veery-FS1 | - | 1622.613 | DQPSK | Iridium Center | re-entered |  | - |
| Veery-FS1 | - | 137.950 | FM | Mode V TLM | re-entered |  | - |
| VEGAFLY-1 (XV5T) | - | 436.655 | GFSK | Mode U - GFSK500 TLM | future |  | - |
| VEGAFLY-1 (XV5T) | - | 436.655 | GFSK | Mode U - GFSK1k DATA | future |  | - |
| VEGAFLY-1 (XV5T) | - | 436.655 | CW | Mode U - CW Morse Beacon | future |  | - |
| VELOX 1 | - | 145.980 | CW | CW Beacon | active |  | - |
| VELOX 2 (VELOX2) | - | 145.930 | CW | Mode 1200bps BPSK CW | re-entered |  | - |
| VELOX 2 (VELOX2) | - | 1643.500 | MFSK | Inmarsat 4 Uplink | re-entered |  | - |
| VELOX-AM | - | 437.125 | FSK AX.100 Mode 5 | Mode U - FSK4k8 | active |  | - |
| VELOX-PII | - | 145.980 | CW | Mode 1200bps BPSK CW | active |  | - |
| Venus (2017-044B) | - | 2285.001 | FM | S-band telemetry | active |  | - |
| VERMONT LUNAR | - | 437.305 | FSK | 9k6 FSK TLM | re-entered |  | - |
| Veronika (Veronica) | 145.925 | 145.925 | GFSK | Mode V/V - GFSK9k6 AX.25 G3RUH | re-entered |  | - |
| Veronika (Veronica) | 436.680 | 436.680 | GFSK | Mode U/U - GFSK9k6 AX.25 G3RUH | re-entered |  | - |
| Veronika (Veronica) | - | 436.680 | CW | Mode U - CW | re-entered |  | - |
| VESTA-1 | - | 2234.500 | FM | S-band Downlink | re-entered |  | - |
| VESTA-1 | - | 157.144 | FM | VHF Downlink 1 | re-entered |  | - |
| VESTA-1 | - | 161.762 | FM | VHF Downlink 2 | re-entered |  | - |
| Vigoride-5 (VR-5) | - | 8212.500 | FM | X-band Downlink | active |  | - |
| Vigoride-5 (VR-5) | - | 9950.000 | FM | X-band SSPD Downlink | active |  | - |
| Vigoride-5 (VR-5) | - | 9884.000 | FM | X-band MAPLE Downlink | active |  | - |
| Vigoride-5 (VR-5) | - | 400.500 | FM | UHF Beacon | active |  | - |
| Vigoride-6 | - | 400.525 | FSK | Mode U - Transmitter | re-entered |  | - |
| VIOLET (VE9VLT) | - | 436.830 | BPSK | Mode U - 9K6 BPSK AX.25 - ISISpace TRXVU | re-entered |  | - |
| VIREO | - | 401.750 | BPSK | Mode U - Transmitter | re-entered |  | - |
| VisionCube | - | 435.425 | GMSK | GMSK9k6 AX.25 TLM | inactive |  | - |
| VisionCube | - | 435.975 | GMSK | GMSK9k6 AX.25 TLM | inactive |  | - |
| VisionCube | - | 437.425 | GMSK | GMSK9k6 AX.25 TLM | active |  | - |
| VIZARD (SXC3-215 RS33S) | - | 437.800 | GMSK | Mode U - GMSK 2k4 (USP FEC) TLM | re-entered |  | - |
| Vizard-ion (RS68S) | - | 436.870 | GFSK | Mode U - GFSK9k6 - AX.25 Beacon and Telemetry (Geoscan framing) | active |  | - |
| Vizard-ion (RS68S) | - | 436.870 | CW | Mode U - CW Beacon | inactive |  | - |
| Vizard-ion (RS68S) | - | 10475.000 | DVB-S2 | Mode X - DVB-S2 | active |  | - |
| VIZARD-meteo (RS38S) | - | 437.825 | GMSK USP | Mode U - GMSK 2k4 (USP FEC) TLM | active |  | - |
| VIZARD-meteo (RS38S) | - | 437.825 | SSTV | SSTV - Robot 72 | active |  | - |
| Vladivostok-1 | - | 436.805 | LoRa | Mode U - LoRa | active |  | - |
| Vladivostok-1 | - | 436.805 | FSK | [Experiment] LoRa (62.5 kHz bandwidth) (as FSK) | active |  | - |
| VR3X-A (Littlefoot) | - | 915.600 | CW | Mode U - CW | re-entered |  | - |
| VR3X-A (Littlefoot) | - | 915.600 | LoRa | Mode U - LoRa | re-entered |  | - |
| VR3X-A (Littlefoot) | - | 2290.000 | FM | Mode S | re-entered |  | - |
| VR3X-B (Petrie) | - | 915.600 | CW | Mode U - CW | re-entered |  | - |
| VR3X-B (Petrie) | - | 915.600 | LoRa | Mode U - LoRa | re-entered |  | - |
| VR3X-B (Petrie) | - | 2290.000 | FM | Mode S | re-entered |  | - |
| VR3X-C (Cera) | - | 915.600 | CW | Mode U - CW | re-entered |  | - |
| VR3X-C (Cera) | - | 915.600 | LoRa | Mode U - LoRa | re-entered |  | - |
| VR3X-C (Cera) | - | 2290.000 | FM | Mode S | re-entered |  | - |
| VRSS-1 (2012-052A) | - | 2243.756 | BPSK | S-band telemetry | active |  | - |
| VRSS-2 (2017-060A) | - | 2250.241 | FM | S-band telemetry | active |  | - |
| VZLUSAT-1 (CZ02) | - | 437.240 | AFSK | TLM AFSK GOM1X 4k8 | re-entered |  | - |
| VZLUSAT-1 (CZ02) | - | 437.240 | CW | TLM CW | re-entered |  | - |
| VZLUSAT-2 | - | 437.325 | MSK AX.100 Mode 5 | Mode U - GMSK1k2 | re-entered |  | - |
| VZLUSAT-2 | - | 437.325 | MSK AX.100 Mode 5 | Mode U - GMSK9k6 | re-entered |  | - |
| VZLUSAT-2 | - | 2425.000 | DVB-S2 | Mode S | re-entered |  | - |
| VZLUSAT-2 | - | 437.325 | MSK AX.100 Mode 5 | Mode U - GMSK4k8 | re-entered |  | - |
| W-Cube (2021-059CQ) | - | 2245.400 | GFSK Rktr | S-band Transmitter | re-entered |  | - |
| W-SERIES 4 (2025-135R) | - | 2272.500 | FM | S-band telemetry | active |  | - |
| Waratah Seed-1 (WS-1) | - | 2259.000 | QPSK | Mode S - Transmitter | inactive |  | - |
| Waratah Seed-1 (WS-1) | - | 400.650 | BPSK | Mode U - BPSK1k2 - G3RUH | active |  | - |
| WARP-01 (JQ1ZTK) | - | 437.425 | FSK | Mode U - FSK1k2 AX.25 | re-entered |  | - |
| WARP-01 (JQ1ZTK) | - | 437.425 | CW | Mode U - CW Beacon | re-entered |  | - |
| WARP-01 (JQ1ZTK) | - | 437.425 | GFSK | Mode U - GFSK | re-entered |  | - |
| WASEDA-SAT-ZERO | - | 437.200 | AFSK | Mode U - AFSK1k2 - AX.25 | re-entered |  | - |
| WASEDA-SAT-ZERO | - | 437.200 | CW | Mode U - CW | re-entered |  | - |
| WASEDA-SAT3 | - | 437.290 | CW | CW Beacon | re-entered |  | - |
| WASEDA-SAT3 | - | 437.290 | FSK | FSK1k2 TLM | re-entered |  | - |
| WILDFIRE 1 (2023-133J) | - | 2277.800 | FM | S-band telemetry | active |  | - |
| WILDFIRE 10 (2023-133L) | - | 2277.800 | FM | S-band telemetry | active |  | - |
| WILDFIRE 3 (2023-133C) | - | 2277.803 | BPSK | S-band telemetry | active |  | - |
| Wildfire 5 (2023-133P) | - | 2277.804 | BPSK | S-band telemetry | active |  | - |
| WILDFIRE 9 (2023-133K) | - | 2277.800 | FM | S-band telemetry | active |  | - |
| WildTrackCube-SIMBA (IKUNS 3) | - | 435.410 | FSK AX.100 Mode 5 | Mode U - GMSK9k6 | active |  | - |
| WildTrackCube-SIMBA (IKUNS 3) | - | 435.310 | FSK AX.100 Mode 5 | Mode U - GMSK9k6 | active |  | - |
| WildTrackCube-SIMBA (IKUNS 3) | - | 435.310 | FSK AX.100 Mode 5 | Mode U - GMSK1k2 | inactive |  | - |
| WINNEBAGO-2 | - | 2272.500 | FM | Mode S - Transmitter | active |  | - |
| WISeSAT-1 (FossaSat-2E1) | - | 401.700 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| WISeSAT-1 (FossaSat-2E1) | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| WISeSAT-2 (FossaSat-2E2) | - | 401.700 | LoRa | Mode U - LoRa | re-entered |  | - |
| WISeSAT-2 (FossaSat-2E2) | - | 401.700 | GFSK | Mode U - GFSK9k6 | re-entered |  | - |
| WNISAT 1R (Weather News Inc. Satellite 1R) | - | 401.800 | FM | Downlink | active |  | - |
| WREN | - | 437.405 | FM | Mode U SSTV | active |  | - |
| WREN-1 (2024-149L) | - | 137.925 | LoRa | On-board Whereabouts Locator (OWL) | active |  | - |
| WREN-1 (2024-149L) | - | 401.750 | GMSK | Mode U - GMSK4k8 - Transmitter | active |  | - |
| WSF-M (WSF-M 1) | - | 2252.500 | BPSK | Mode S - Payload | active |  | - |
| WSF-M (WSF-M 1) | - | 2237.500 | BPSK | Mode S - TTC | active |  | - |
| X-CUBESAT (FR01
ON01FR) | - | 437.020 | GMSK | TLM GMSK | re-entered |  | - |
| X-CUBESAT (FR01
ON01FR) | - | 437.020 | AFSK | TLM AFSK | re-entered |  | - |
| X-CUBESAT (FR01
ON01FR) | - | 437.018 | AFSK | TLM AFSK (drifting) | re-entered |  | - |
| XAIOXIANG-1 07 | - | 401.800 | FM | Downlink | re-entered |  | - |
| XCUBE-1 | - | 8200.000 | FM | Mode X - Transmitter | active |  | - |
| XCUBE-1 | - | 2245.000 | BPSK | Mode S - Transmitter | active |  | - |
| Xiaoxiang-2 (TY-2TianYi 2) | - | 2403.000 | OFDM | S-Band Downlink | re-entered |  | - |
| Xiaoxiang-2 (TY-2TianYi 2) | - | 435.350 | FSK AX.100 Mode 5 | 9600 FSK AX.100 Mode 5 | re-entered |  | - |
| Xiaoxiang-3 | - | 401.694 | FSK AX.100 Mode 5 | UHF Unknown | re-entered |  | - |
| Xingshidai 16 (2023-103B) | - | 401.549 | FM | Mode U STRF | active |  | - |
| Xingshidai 5 | - | 401.650 | FM | Downlink | re-entered |  | - |
| Xingshidai 5 | - | 401.521 | FM | Possibly Downlink | re-entered |  | - |
| Xingyun-2 01 (2020-028A) | - | 272.500 | FM | Mode U center | active |  | - |
| Xingyun-2 01 (2020-028A) | - | 1521.500 | BPSK | Mode L - IOT | active |  | - |
| XINGYUN-2 02 (2020-028B) | - | 1521.500 | FM | S-band telemetry | active |  | - |
| XIWANG-1 (HO-68XW-1HOPE-1) | - | 435.791 | CW | CW Beacon | active |  | - |
| XIWANG-1 (HO-68XW-1HOPE-1) | 145.825 | 435.675 | FM | Mode V/U FM | active |  | - |
| XIWANG-1 (HO-68XW-1HOPE-1) | 145.925 - 145.975 | 435.715 - 435.765 | FMN | Mode V/U Linear | inactive |  | - |
| XIWANG-1 (HO-68XW-1HOPE-1) | 145.825 | 435.675 | AFSK | Mode V/U BBS AFSK | inactive |  | - |
| XW-2A (CAS-3A) | 435.030 - 435.050 | 145.665 - 145.685 | USB | Linear Transponder | re-entered |  | - |
| XW-2A (CAS-3A) | - | 145.660 | CW | CW TLM 22wpm | re-entered |  | - |
| XW-2A (CAS-3A) | - | 145.660 | CW | PE0SAT - CW Beacon | re-entered |  | - |
| XW-2A (CAS-3A) | - | 145.660 | CW | CW TLM 22wpm (current) | re-entered |  | - |
| XW-2A (CAS-3A) | - | 145.640 | GMSK | 9k6 GMSK TLM | re-entered |  | - |
| XW-2B (CAS-3B) | 435.090 - 435.110 | 145.730 - 145.750 | USB | Linear Transponder | re-entered |  | - |
| XW-2B (CAS-3B) | - | 145.705 | GMSK | 9k6 GMSK TLM | re-entered |  | - |
| XW-2B (CAS-3B) | - | 145.725 | CW | CW TLM 22wpm | re-entered |  | - |
| XW-2C (CAS-3C; BJ1SD) | 435.150 - 435.170 | 145.795 - 145.815 | USB | Linear Transponder | re-entered |  | - |
| XW-2C (CAS-3C; BJ1SD) | - | 145.770 | GMSK | 19k2 GMSK TLM | re-entered |  | - |
| XW-2C (CAS-3C; BJ1SD) | - | 145.790 | CW | CW TLM 22wpm | re-entered |  | - |
| XW-2C (CAS-3C; BJ1SD) | - | 145.790 | CW | CW TLM 22wpm (current) | re-entered |  | - |
| XW-2D (CAS-3D) | - | 145.865 | CW | Spurious transmission | re-entered |  | - |
| XW-2D (CAS-3D) | 435.210 - 435.230 | 145.860 - 145.880 | USB | Linear Transponder | re-entered |  | - |
| XW-2D (CAS-3D) | - | 145.855 | CW | CW TLM 22wpm | re-entered |  | - |
| XW-2D (CAS-3D) | - | 145.835 | GMSK | 9k6 GMSK TLM | re-entered |  | - |
| XW-2E (CAS-3E) | 435.270 - 435.290 | 145.915 - 145.935 | USB | Linear Transponder | re-entered |  | - |
| XW-2E (CAS-3E) | - | 145.890 | GMSK | 9k6 GMSK TLM | re-entered |  | - |
| XW-2E (CAS-3E) | - | 145.910 | CW | CW TLM 22wpm | re-entered |  | - |
| XW-2F (CAS-3F) | - | 145.975 | CW | CW TLM 22wpm | re-entered |  | - |
| XW-2F (CAS-3F) | - | 145.955 | GMSK | 9k6 GMSK TLM | re-entered |  | - |
| XW-2F (CAS-3F) | 435.330 - 435.350 | 145.980 - 146.000 | USB | Linear Transponder | re-entered |  | - |
| XW-3 (HO-113) | - | 435.575 | CW | Mode U - Telemetry | active |  | - |
| XW-3 (HO-113) | - | 435.725 | GMSK | Mode U - GMSK4k8 AX.25 Telemetry | active |  | - |
| XW-3 (HO-113) | 145.855 - 145.885 | 435.165 - 435.195 | USB | Mode V/U - Transponder | active |  | - |
| XW-3 (HO-113) | - | 435.180 | BPSK | Mode U Audio | active |  | - |
| YAM-10 | - | 2253.400 | FM | S-band telemetry | active |  | - |
| YAM-2 (Yet Another Mission 2) | - | 400.100 | FM | Service Link | re-entered |  | - |
| YAM-3 (Yet Another Mission 3) | - | 400.100 | FM | Service Link | active |  | - |
| YAM-3 (Yet Another Mission 3) | - | 401.017 | FM | UTX2 | active |  | - |
| YAM-3 (Yet Another Mission 3) | - | 400.875 | FM | UTX1 | active |  | - |
| YAM-3 (Yet Another Mission 3) | - | 401.085 | FM | UTX3 | active |  | - |
| YAM-3 (Yet Another Mission 3) | - | 401.500 | BPSK | UHF Unknown | active |  | - |
| YAM-5 (Yet Another Mission 5) | - | 400.100 | FM | Service Link | active |  | - |
| YAM-5 (Yet Another Mission 5) | - | 401.500 | FM | Telemetry | active |  | - |
| YAM-6 | - | 400.875 | FM | Mode U - Downlink | active |  | - |
| YAM-6 | - | 401.017 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-6 | - | 401.850 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-6 | - | 401.155 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-6 | - | 401.225 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-6 | - | 401.375 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-6 | - | 401.438 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-6 | - | 401.015 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-6 | - | 2277.300 | FM | Mode S - Downlink | active |  | - |
| YAM-6 | - | 8125.000 | FM | Mode X - Downlink | active |  | - |
| YAM-6 | - | 401.500 | FM | Mode U - Backup Downlink | active |  | - |
| YAM-7 | - | 2230.000 | FM | Mode S - Transmitter | active |  | - |
| YAM-7 | - | 8125.000 | FM | Mode X - Transmitter | active |  | - |
| YAM-7 | - | 400.875 | FM | Mode U - Downlink | inactive |  | - |
| YAM-7 | - | 401.017 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-7 | - | 401.085 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-7 | - | 401.155 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-7 | - | 401.225 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-7 | - | 401.375 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-7 | - | 401.438 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-7 | - | 401.015 | FM | Mode U - Backup Downlink | inactive |  | - |
| YAM-7 | - | 401.500 | FSK | Mode U - Transmitter | active |  | - |
| YAM-8 | - | 2248.300 | BPSK | S-band telemetry | active |  | - |
| YAOGAN 10 (2010-038A) | - | 2253.834 | FM | S-band telemetry | active |  | - |
| YAOGAN 10 (2010-038A) | - | 2237.994 | FM | S-band telemetry | active |  | - |
| YAOGAN 12 (2011-066B) | - | 2207.524 | FM | S-band telemetry | active |  | - |
| YAOGAN 21 (2014-053A) | - | 2248.547 | FM | S-band telemetry | active |  | - |
| YAOGAN 3 (2007-055A) | - | 2295.604 | FM | S-band telemetry | active |  | - |
| YAOGAN 3 (2007-055A) | - | 2212.812 | FM | S-band telemetry | active |  | - |
| Yaogan 4 | - | 2216.500 | FM | S-Band Telemetry | active |  | - |
| Yaogan 6 (JB-7-1) | - | 2296.600 | BPSK | S-Band DBPSK | re-entered |  | - |
| Yaogan 6 (JB-7-1) | - | 2296.600 | BPSK | S-Band 9k6 DBPSK Carrier Experimental | re-entered |  | - |
| Yaogan 7 (2009-069A) | - | 2216.525 | FM | S-band telemetry | active |  | - |
| Yarilo No. 3 | - | 435.450 | GMSK | Mode U - GMSK 9k6 | re-entered |  | - |
| Yarilo No. 4 | - | 435.400 | FSK | Mode U - FSK9k6 | active |  | - |
| Yarilo No. 4 | - | 435.720 | FM | Mode U - Beacon | active |  | - |
| YARILO-1 | - | 435.350 | FSK | Telemetry | re-entered |  | - |
| YARILO-2 | - | 435.550 | FSK | Telemetry | re-entered |  | - |
| YODAKA | - | 922.000 | FM | Mode U - Transmitter | re-entered |  | - |
| YODAKA | - | 2277.300 | FM | Mode S - Transmitter | re-entered |  | - |
| YODAKA | - | 8160.000 | FM | Mode X - Transmitter | re-entered |  | - |
| YOMOGI (JS1YMX) | 145.825 | 145.825 | AFSK | Mode V/V - Digipeater | re-entered |  | - |
| YOMOGI (JS1YMX) | - | 437.375 | GMSK | Mode U - GMSK4k8 - AX.25 | re-entered |  | - |
| YOMOGI (JS1YMX) | - | 437.375 | CW | Mode U - CW | re-entered |  | - |
| YOTSUBA-KULOVER | - | 400.960 | GMSK | Mode U - GMSK4k8 | active |  | - |
| YOUTHSAT | - | 149.995 | FM | Mode V LM | active |  | - |
| YOUTHSAT | - | 2254.345 | FM | Mode S TLM | active |  | - |
| YOUTHSAT | - | 400.000 | CW | UHF Unknown | active |  | - |
| YOUTHSAT | - | 2279.996 | FM | S-band telemetry | active |  | - |
| YUBELEINY 2 (RS-40) | - | 435.265 | CW | Mode U - CW | active |  | - |
| YUBELEINY 2 (RS-40) | - | 435.265 | DOKA | Mode U - DOKA B | active |  | - |
| YUBELEINY 2 (RS-40) | - | 435.365 | CW | Mode U - CW | active |  | - |
| YUBELEINY 2 (RS-40) | - | 435.365 | DOKA | Mode U - DOKA B | active |  | - |
| YUBILEINY (RS-30) | - | 435.316 | CW | PE0SAT - CW Beacon | active |  | - |
| YUBILEINY (RS-30) | - | 435.215 | PSK | Telemetry Beacon 1 Beacon | active |  | - |
| YUBILEINY (RS-30) | - | 435.315 | DOKA | Telemetry Beacon 2 Beacon | active |  | - |
| YUBILEINY (RS-30) | - | 435.353 | FM | 435.353 | active |  | - |
| YUKONSAT (VY1YKU) | - | 437.875 | CW | Mode U CW | re-entered |  | - |
| YUKONSAT (VY1YKU) | - | 2428.000 | FM | Mode S - Transmitter | re-entered |  | - |
| YUKONSAT (VY1YKU) | - | 437.875 | FSK | Mode U - FSK1k2 | re-entered |  | - |
| Yunhai 1-01 | - | 1704.000 | FM | Mode L | active |  | - |
| YUNHAI 1-02 (2019-063A) | - | 1704.000 | BPSK | L-band data | active |  | - |
| Yunhai 1-03 | - | 1704.000 | FM | Mode L | active |  | - |
| YUSAT-1 | - | 436.250 | GMSK | Mode U - 9k6 GMSK AX25 Beacon | re-entered |  | - |
| YUSAT-1 | 145.825 | 436.250 | AFSK | Mode V/U APRS | re-entered |  | - |
| YuZGU-55 10 (SWSU-55 No6 (SWSU No10)) | - | 437.050 | AFSK | Mode U TLM 1K2 RS4S | re-entered |  | - |
| YuZGU-55 10 (SWSU-55 No6 (SWSU No10)) | - | 437.087 | AFSK | Mode U TLM Payload RS4S | re-entered |  | - |
| YuZGU-55 10 (SWSU-55 No6 (SWSU No10)) | - | 437.087 | SSTV | Mode U Payload SSTV | re-entered |  | - |
| YuZGU-55 11 (SWSU-55 No7 & R-390 (SWSU No11)) | - | 437.050 | AFSK | Mode U TLM 1K2 RS5S | re-entered |  | - |
| YuZGU-55 11 (SWSU-55 No7 & R-390 (SWSU No11)) | - | 437.113 | AFSK | Mode U TLM Payload RS5S | re-entered |  | - |
| YuZGU-55 11 (SWSU-55 No7 & R-390 (SWSU No11)) | - | 437.113 | SSTV | Mode U Payload SSTV | re-entered |  | - |
| YuZGU-55 12 (SWSU-55 No8 (SWSU No12)) | - | 437.050 | AFSK | Mode U TLM 1K2 RS6S | re-entered |  | - |
| YuZGU-55 12 (SWSU-55 No8 (SWSU No12)) | - | 437.000 | AFSK | Mode U Payload RS6S | re-entered |  | - |
| YuZGU-55 12 (SWSU-55 No8 (SWSU No12)) | - | 437.000 | SSTV | Mode U Payload SSTV | re-entered |  | - |
| YuZGU-55 5 (SWSU-55 No1 & R-390 (SWSU No5)) | - | 437.050 | FM | Mode U Payload RS10S FM | re-entered |  | - |
| YuZGU-55 5 (SWSU-55 No1 & R-390 (SWSU No5)) | - | 437.050 | FSK | Mode U Payload RS10S 2K4 | re-entered |  | - |
| YuZGU-55 5 (SWSU-55 No1 & R-390 (SWSU No5)) | - | 437.050 | FSK | Mode U Payload RS10S 4K8 | re-entered |  | - |
| YuZGU-55 5 (SWSU-55 No1 & R-390 (SWSU No5)) | - | 437.050 | AFSK | Mode U TLM RS10S | re-entered |  | - |
| YuZGU-55 5 (SWSU-55 No1 & R-390 (SWSU No5)) | - | 437.050 | AFSK | Mode U Payload RS10S 1K2 | re-entered |  | - |
| YuZGU-55 5 (SWSU-55 No1 & R-390 (SWSU No5)) | - | 437.050 | SSTV | Mode U Payload RS10S SSTV | re-entered |  | - |
| YuZGU-55 6 (SWSU-55 No2 (SWSU No6)) | - | 437.050 | AFSK | Mode U TLM 1K2 RS11S | re-entered |  | - |
| YuZGU-55 6 (SWSU-55 No2 (SWSU No6)) | - | 437.062 | AFSK | Mode U Payload 1K2 RS11S | re-entered |  | - |
| YuZGU-55 7 (SWSU-55 No3 (SWSU No7)) | - | 437.050 | AFSK | Mode U TLM 1K2 RS1S | re-entered |  | - |
| YuZGU-55 7 (SWSU-55 No3 (SWSU No7)) | - | 437.075 | AFSK | Mode U Payload 1K2 RS1S | re-entered |  | - |
| YuZGU-55 7 (SWSU-55 No3 (SWSU No7)) | - | 437.075 | CW | Mode U Blank Carrier | re-entered |  | - |
| YuZGU-55 8 (SWSU-55 No4 (SWSU No8)) | - | 437.050 | AFSK | Mode U TLM 1K2 RS2S | re-entered |  | - |
| YuZGU-55 8 (SWSU-55 No4 (SWSU No8)) | - | 437.082 | AFSK | Mode U Payload 1K2 RS2S | re-entered |  | - |
| YuZGU-55 9 (SWSU-55 No5 (SWSU No9)) | - | 437.050 | AFSK | Mode U TLM 1K2 RS3S | re-entered |  | - |
| YuZGU-55 9 (SWSU-55 No5 (SWSU No9)) | - | 437.100 | AFSK | Mode U Payload 1K2 RS3S | re-entered |  | - |
| Z-Sat (JJ2YJX) | 435.480 | 145.875 | GMSK | Mode U/V (1k2/9k6) - BBS | active |  | - |
| Z-Sat (JJ2YJX) | - | 145.875 | CW | Mode V - CW Beacon | inactive |  | - |
| Z-Sat (JJ2YJX) | - | 145.875 | FSK AX.25 G3RUH | Mode V - 9K6 GMSK | active |  | - |
| ZA-AEROSAT (AEROSAT
AZ01
ON01AZ) | - | 437.200 | GMSK | Mode U - GMSK9k6 TLM | re-entered |  | - |
| ZACUBE-1 (South Africa CubeSat-1) | - | 437.356 | FSK | FSK1k2 TLM | active |  | - |
| ZACUBE-1 (South Africa CubeSat-1) | - | 437.356 | FSK | FSK9K6 TLM | active |  | - |
| ZACUBE-1 (South Africa CubeSat-1) | - | 14.099 | CW | 14.099 MHz CW Beacon | active |  | - |
| ZACUBE-2 | 1260.250 | 2405.000 | GMSK | GMSK9k6 2 Mbps QPSK - PAYLOAD | re-entered |  | - |
| ZACUBE-2 | - | 14.099 | FM | BEACON | re-entered |  | - |
| ZACUBE-2 | 437.525 | 437.345 | GMSK | GMSK9k6 G3RUH AX.25 TLM | re-entered |  | - |
| ZACUBE-2 | 401.075 | 401.075 | FSK | ITU transmitter frequency in this band probably only over GS in South Africa | re-entered |  | - |
| ZACUBE-2 | - | 8212.500 | FM | Mode X | re-entered |  | - |
| ZACUBE-2 | - | 401.000 | FM | Possible downlink Mode U | re-entered |  | - |
| ZACUBE-2 | - | 401.075 | FM | Mode U TLM (1850000) | re-entered |  | - |
| Zeus-1 | - | 401.450 | FSK AX.100 Mode 5 | UHF Downlink | re-entered |  | - |
| Zeus-1 | - | 437.250 | FSK AX.100 Mode 5 | Mode U - FSK4k8 Default Transmitter Frequency | re-entered |  | - |
| Zhangheng 1-02 (2025-128A and CSES 1-02) | - | 2228.881 | FM | S-band telemetry | active |  | - |
| ZHANGHENG-1 (2018-015C) | - | 2228.882 | BPSK | S-band telemetry | active |  | - |
| ZHEDA PIXING 1B (2010-047B) | - | 2289.591 | BPSK | S-band telemetry | active |  | - |
| ZHEDA PIXING 1C (2010-09-22) | - | 2285.497 | FM | S-band telemetry | active |  | - |
| ZHOU ENLAI (HA-1) | - | 437.650 | BPSK | BPSK 9k6 TLM drifted (PA0DLO) | re-entered |  | - |
| ZHOU ENLAI (HA-1) | - | 437.350 | BPSK | BPSK 9k6 TLM | re-entered |  | - |
| ZHOU ENLAI (HA-1) | 145.930 | 436.950 | FM | FM VOICE | re-entered |  | - |
| ZHOU ENLAI (HA-1) | - | 437.644 | BPSK | BPSK 9k6 TLM drifted (based on PA0DLO) | re-entered |  | - |
| ZHUHAI-1 03A (2019-060A) | - | 2201.761 | FM | S-band telemetry | re-entered |  | - |
| ZHUHAI-1 03B (2019-060C) | - | 2248.798 | FM | S-band telemetry | active |  | - |
| Zhuhai-1 03C (2019-060D) | - | 2253.600 | FM | S-band telemetry | active |  | - |
| ZHUHAI-1 03D (2019-060E) | - | 2212.800 | FM | S-band telemetry | active |  | - |
| ZHUHAI-1 03E (2019-060F) | - | 2207.280 | FM | S-band telemetry | active |  | - |
| ZHUHAI-1 OHS-01 | - | 2201.750 | BPSK | TT&C | re-entered |  | - |
| ZHUHAI-1 OHS-01 | - | 401.480 | FM | Downlink | re-entered |  | - |
| ZHUHAI-1 OHS-02 | - | 401.560 | FSK | Downlink | active |  | - |
| ZHUHAI-1 OHS-02 | - | 2253.500 | BPSK | Telemetry | active |  | - |
| ZHUHAI-1 OHS-04 | - | 2248.750 | BPSK | Telemetry | re-entered |  | - |
| ZHUHAI-1 OHS-04 | - | 401.520 | FM | Downlink | re-entered |  | - |
| ZHUHAI-1 OVS-01 (CAS 4A) | - | 145.855 | CW | CW Beacon | re-entered |  | - |
| ZHUHAI-1 OVS-01 (CAS 4A) | 435.210 - 435.230 | 145.860 - 145.880 | USB | Linear Transponder | re-entered |  | - |
| ZHUHAI-1 OVS-01 (CAS 4A) | - | 145.836 | GMSK | Mode U GMSK4k8 | re-entered |  | - |
| ZHUHAI-1 OVS-02 (OVS-02) | - | 401.440 | - | Downlink | active |  | - |
| ZHUHAI-1 OVS-02 (OVS-02) | - | 2207.280 | BPSK | Telemetry | active |  | - |
| ZHUHAI-1 OVS-1B (CAS 4B) | - | 145.910 | CW | CW Beacon | re-entered |  | - |
| ZHUHAI-1 OVS-1B (CAS 4B) | 435.270 - 435.290 | 145.915 - 145.935 | USB | Linear Transponder | re-entered |  | - |
| ZHUHAI-1 OVS-1B (CAS 4B) | - | 145.893 | GMSK | Mode U GMSK4k8 - TLM | re-entered |  | - |
| ZIMSAT-1 (BIRDS-5) | - | 145.825 | AFSK | Mode V APRS | re-entered |  | - |
| ZIMSAT-1 (BIRDS-5) | - | 437.375 | CW | Mode U CW TLM | re-entered |  | - |
| ZIMSAT-1 (BIRDS-5) | - | 437.375 | GMSK | Mode U GMSK AX.25 TLM | re-entered |  | - |
| ZIMSAT-2 (Z2AS) | - | 435.750 | FSK | Mode U - FSK 2k4 Beacon | re-entered |  | - |
| ZIMSAT-2 (Z2AS) | - | 437.050 | SSTV | SSTV - Robot 36 | re-entered |  | - |
| ZIMSAT-2 (Z2AS) | - | 437.050 | AFSK | Mode U - AFSK 1k135 Beacon TLM | re-entered |  | - |
| Ziyuan 3-2 (2016-033A) | - | 2201.038 | BPSK | S-band telemetry | active |  | - |
| Zorkiy 2M-6 | - | 401.005 | GMSK USP | Main telemetry transmitter | active |  | - |
| Zorkiy 2M-6 | - | 401.140 | GMSK USP | Backup telemetry transmitter | active |  | - |
| ZORKIY-2M (SXC12−222) | - | 401.950 | GMSK USP | Mode U - FSK USP 2k4 TLM AX.25 | active |  | - |
| ZORKIY-2M (SXC12−222) | - | 401.480 | GMSK USP | Mode U - FSK USP 2k4 TLM AX.25 | active |  | - |
| ZORKIY-2M 2 (S3806A) | - | 401.070 | GMSK USP | Mode U - FSK USP 2k4 TLM AX.25 | re-entered |  | - |
| ZORKIY-2M 2 (S3806A) | - | 401.040 | GMSK USP | Mode U - FSK USP 2k4 TLM AX.25 | re-entered |  | - |
| Zorkiy-2M 5 (A0X9A) | - | 401.230 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Zorkiy-2M 5 (A0X9A) | - | 401.165 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Zorkiy-2M 7 (A0XAA) | - | 401.018 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Zorkiy-2M 7 (A0XAA) | - | 401.245 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Zorkiy-2M VPE (A0X8A) | - | 401.213 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Zorkiy-2M VPE (A0X8A) | - | 401.180 | GMSK USP | Mode U - GMSK2k4 - USP | active |  | - |
| Zorkiy-2M-4 (S4281A) | - | 401.035 | GMSK USP | Main telemetry transmitter | active |  | - |
| Zorkiy-2M-4 (S4281A) | - | 401.160 | GMSK USP | Backup telemetry transmitter | active |  | - |
| ZY 1 (2011-079A) | - | 2225.516 | BPSK | S-band telemetry | active |  | - |
| ZY 3 (2021-001A) | - | 2236.562 | FM | S-band telemetry | active |  | - |
| ZY 3 04 (2025-300A) | - | 2215.442 | FM | S-band telemetry | active |  | - |
| ZY-1 02D (2019-059A) | - | 2239.440 | FM | S-band telemetry | active |  | - |
| ZY-1 02E (2021-131A) | - | 2231.760 | FM | S-band telemetry | active |  | - |
| ÑuSat 1 (FRESCO) | - | 145.900 | CW | Mode V Beacon | re-entered |  | - |
| ÑuSat 1 (FRESCO) | - | 436.445 | FSK | Mode U TLM FSK 40k | re-entered |  | - |
| ÑuSat 1 (FRESCO) | 436.935 - 436.965 | 145.935 - 145.965 | USB | Mode U/V Linear | re-entered |  | - |
| ÑuSat 32 (NewSat 32) | - | 8030.000 | FM | Mode X - TLM | active |  | - |
| ÑuSat 32 (NewSat 32) | - | 8075.000 | DVB-S2 | Mode X - DVB-S2 Downlink | active |  | - |
10 replies on “Satellite Status and Online Tracker”
Hej, jag har ett par frågor som kanske är fel forum för men;
1/finns det en grafisk satellitbana som visar passager över Sverige (v.a sverige/norge)
2/ kan satelliter visa skuggbild överhuvudtaget ?
Vänligen,
Peter Juhlin
peter.juhlin@hotmail.se
Hej Peter,
1: Ja det finns. Kolla in vår sida om satellispårning https://www.amsat.se/2006/08/09/guide-spara-satelliter/
2: Jag förstår inte riktigt din fråga här. Maila oss gärna direkt på info@amsat.se så kan vi diskutera vidare.
mvh Lars SM0TGU
Uppdaterat sidan april 2020
Hejsan!
Ett copy-paste-fel om SO-121 på http://www.amsat.se/satellitstatus.
Den har fått två upplänksfrekvenser och ingen nedlänk.
Rätt verkar vara att nedlänken är på 436 MHz.
https://www.amsat-ea.org/
73,
Jonas SM5PHU
Fixat. Tack!
Vi kan nog stryka S0-121. Den kom ner 241106 enl. AMSAT-EA. Glädjande är att dom har två nya på gång: HADES-R och HADES-ICM. Bägge med FM-repeater. Början av 2025 ges som datum för när dom ska vara igång.
Borttagen. Tack.
[…] Satellite status and online tracker This is a list of all amateur satellites and other sats of interest. It is also a simple online tracker. AMSAT-SM […]
Where is UOSAT 2 / UO-11 on your list? UO-11 is still active, I am a regular observer.
I will change data source to SatNOGS and then UO-11 will be listed.