ITASAT-1 telemetry 2020-12-04

Strong telemetry at 145.858 MHz easy to decode. Used the following:

  • RX at aprox 145.858 MHz USB BW 3.2 kHz
  • 2 * 6 el Yagi circular polarization (Vårgårda)
  • AlfaSpid RAS az/el rotor
  • LNA Mini-2 from SHF Elektronik
  • LMR-400 coax
  • SDR 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 Soundmodem. Set to 96 kHz and 16 bit.
  • Soundmodem v 1.05 at mode BPSK AX.25 1200bd (1k2). Be sure that the BPSK signal is centered ”over” the signal in the spectrum. See image.
  • Telemetry reader and forwarder from DK3WN, in order to see and forward telemetry to SatNOGS. Note that this is a beta version.


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