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Satellitnyheter

LilacSat-1 släppt från ISS

Satelliten LilacSat-1 är nu släppt från ISS i samband med QB50-projektet. LilacSat har en mer avancerad amatörradio ombord jämfört med de andra satelliterna.
Läs mer på denna länk: http://lilacsat.hit.edu.cn/?page_id=594

Info:

The FM transponder is expected to be a popular mode using amateur
radio FM walkie-talkies or mobile radios. The voice filter passband
is in the range of 300~3500 Hz. Below 300Hz below the sub-audio in
the form of baseband data emplying a CCSDS mode of 300 bps telemetry
data transmission.

The BJ1SI-1 APRS digipeater will immediately forward the received UI
frame in real-time.

The BJ1SI-2 APRS digipeater will allow delayed forwarding with a
user specified forwarding path and an ASCII coded time delay.

Uplink
——-
+ Frequency 145.985 MHz PL 67
+ Antenna 1/4 wavelength monopole, linear polarization
+ FM repeater Analog voice, no PL
+ APRS Digi AX.25 UI 1200 bps AFSK

Downlink
——–
+ Frequency 436.510 MHz
+ Callsign BJ1SI
+ Antenna Turnstile
LHCP (Forward, main lobe)
RHCP (Backward)

+ Telemetry CSP/CSP + AX.25 UI (Cube Satellite Space Protocol) was
originally developed by the AAUSAT3 team at the University of
Aalborg in Denmark and is an open source, lightweight network layer
protocol)
+ FM repeater Analog voice + CSP
+ APRS Digi AX.25 UI 1200 bps AFSK
+ Power 23/27 dBm

Av SM0TGU

Webmaster and member of the AMSAT-SM steering group.

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