Scans the aviation band with an SDR, records every voice call on its own, and lets you listen, browse, and download them from a web browser. Classifies voice/non-voice signals, with live spectrum and spectrogram views. Works with RTL-SDR, HackRF, and Airspy on Windows and Linux.
Demodulate BPSK/QPSK/QAM16 signals from IQ recordings