Ken Isham wrote:

dxAce wrote:
Jim Haynes wrote:

Some FSK at around 50 baud is to be heard on the HF spectrum these days.
Almost none of it is the start-stop radioteletype that was much to be
heard 50 years ago. So I'm curious who is still using FSK and why?

You might wish to join the Yahoo group 'UDXF'

http://groups.yahoo.com/group/UDXF/?yguid=254057057


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ken

Are you sure you don't mean PSK?

BPSK31 is very popular. Here's a quick and dirty way to get decoding in
a few minutes with junk lying around your desk.

http://www.youtube.com/watch?v=jQpBGh9RMEQ