WSJTX ("Weak Signal Communication, by K1JT") offers specific digital protocols
optimized for meteor scatter, ionospheric scatter, and EME (moonbounce)
at VHF/UHF, as well as HF skywave propagation. The program can decode
fraction-of-a-second signals reflected from ionized meteor trails and
steady signals 10 dB below the audible threshold.

This version is a non python Qt app.