Amateur Radio Sound Card Communications
[ О приложении ]

Fldigi is a modem program for most of the digital modes used by radio amateurs today: CW, PSK, MFSK, RTTY, Hell, DominoEX, Olivia, and Throb are all supported.
It can help calibrate a sound card to a time signal and do frequency measurement tests.

Источник
Репозиторий: flathub

FlatPak: Fldigi [Networking]