Package fldigi

Digital modem program for Linux

http://www.w1hkj.com/Fldigi.html

Fldigi is a modem program which supports most of the digital modes used by
ham radio operators today. You can also use the program for calibrating your
sound card to WWV or doing a frequency measurement test. The program also comes
with a CW decoder. fldigi is written with the help of the Fast Light Toolkit X
GUI. Fldigi is a fast moving project many added features with each update.

Flarq (Fast Light Automatic Repeat Request) is a file transfer application
that is based on the ARQ specification developed by Paul Schmidt, K9PS.
It is capable of transmitting and receiving frames of ARQ data via fldigi.

General Commands
Command Description
fldigi digital modem program for hamradio operators