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Telemetri

DO-111 DYI-1 RTTY telemetry 2021-10-16

My first RX of DO-111 DYI-1 RTTY telemetry. Note the custom setup for 100 baud RTTY.

I have used the following hardware and software:

  • RX at aprox 437.124 MHz USB
  • 26 el UHF LFA X-Yagi (2* 13 el) from InnovAntennas.
  • AlfaSpid RAS az/el rotor
  • LNA Mini-70 from SHF Elektronik
  • LMR-400 coax
  • Airspy Mini
  • SDR-Console v3 with doppler correction of downlink and satellite tracking, rotor control
  • PstRotator for rotor control interface between SDR-Console and RAS controller
  • VB-Cable: virtual audio cable for piping audio from SDR Console to FlDigi. Set to 96 kHz and 16 bit.
  • FlDigi for RTTY decoding, 100 baud shift 450 7N2 according to image above

Av SM0TGU

Webmaster and member of the AMSAT-SM steering group.

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