Linux.com: Fldigi and Amateur Radio on Linux

“Dave Freese has just released version 1.2 of Fldigi, a popular
new program for Linux and FreeBSD which enables amateur radio
operators to join their radios and their computers at the hip and
create a new kind of ham shack: a digital ham shack. Here’s the
story behind both the rising popularity of ‘sound card’ digital
modes in amateur radio and how Fldigi lets you enjoy enjoy them on
Linux.

“Hams use their own jargon, which is just as obscure to non-hams
as IRQ, USB, or DDR are to non-computer geeks. I’ve included a
brief glossary of terms used in this story, but for the inquisitve,
here is a link to a more complete reference work explaining ham
jargon…”

Complete
Story