GBAirMon
Real-time FM and DAB+ monitoring: RF, RDS, multipath, BS.412, audio watermark detection.
GBAirMon monitors one or more FM and DAB+ receivers in real time, with a native C++ backend and a responsive multi-monitor web dashboard. Compatible with RTL-SDR, Airspy R2, and HackRF One. FM measurements: RF and MPX spectrum, peak deviation, BS.412 power, multipath, 19 kHz pilot, RDS (PI, PS, RT, CT, AF, BER), Kantar/Médiamétrie watermark detection. DAB+ Mode I with FIC and MSC decoding, HE-AAC audio, MOT slideshow. Zabbix-compatible /api/status endpoint.