# # Replay SatNOGs (or other) audio and decode OPS-SAT # Source: https://github.com/daniestevez/gr-frontends (needs GNURadio 3.8 changes) audio_streamer: Audio input device send to gr-satellites udp source wav_48kHz: Use a 48kHz wav file as input and send to gr-satellites udp source The following chain was used to decode the SatNOGs audio recording. audio input (stream or file) -> UDP source gr-satellites (ops_sat.grc) -> \ add ZMQ block os_demod_decode to ops_sat.grc -> OPS-SAT Telemetry Desktop. Questions, you can contact me via [www.pe0sat.vgnet.nl/contact/]