Binary package “fldigi” in ubuntu mantic
digital modem program for hamradio operators
Fldigi is a modem program which supports most of the digital modes used
by hamradio 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.