Title: RE: [digitalradio] 39 Tone DQPSK - ARQ Modem in PCALE with FTP - (Soundcard)
Right now in the U.S. the ONLY limit you have on a data mode operating in the parts of the HF bands that are authorized data communications. See §97.305 Authorized emission types. Also, it (the new
Hi Bonnie,
Actually, you may want to take another look at all of this and chat
with Charles Brain, as to FCC legal, I don't think so, not currently,
but hopefully some day.
In PC-ALE, 39 tone DQPSK is not being used, its 8-ary. Also, the
MIL-STD-188-110 modem and the FS-1052 DLP waveform can
Most of us already know about the ALE linking using 8FSK and the
compatible keyboarding/FTP system "DTM and DBM" with ARQ.
But there is another fast DQPSK modem in PCALE beta that
has not been used much yet by hams!
It is based upon the FS1052 standard
(Fed Std 1052, Mil Std 188-110) that the
