I just finished casual operation in the contest. I spent
considerable time trying to find the best way to do RTTY with RUMlogNG.
RUMlogNG can use the RTTY support built in to the K3 via the
RS-232 link. It works well for transmit, although given the
number of times I had to repeat my call, I wonder if there was a
slight frequency difference between the audio coming in to the
computer thru the sound card from the radio and the transmit
frequency. It seemed like there was enough of a difference that
the running OP had to fine tune my signal to decode it.
I did center the CWT tuning indicator on the K3, and when I
turned on Dual PB, the computer was getting the signal on the
right frequency.
My big problem was on receive. I never got the radio to cleanly
decode. It missed almost all the call signs, regardless of
strength of the signal. I tried using fldigi, which did work,
and cocoaModem which seemed to decode better than fldigi. I
ended up using cocoaModem and logging manually. (Next time I'll
probably steal the VGA screen from the P3 and use it as a second
screen on the computer so I can see all of both programs windows.)
The question is, what am I doing wrong with getting decoding to
work on the K3?
73 Bill AE6JV
-----------------------------------------------------------------------
Bill Frantz | Truth and love must prevail | Periwinkle
(408)356-8506 | over lies and hate. | 16345
Englewood Ave
www.pwpconsult.com | - Vaclav Havel | Los Gatos,
CA 95032
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