I ran some tests this evening with my K2 and my computer sound card and
HamScope software. 80 meters was not great, but it was open and there
were a number of QSOs going on.
The K2 was able to pick up signals and decode them quite well, and the
narrow filters really help block QRM. (My RTTY filter bandpasses are
all over the place, though; I don't think I ever finished setting them
up after getting Spectrogram going. Have to revisit that!)
However, the audio drive from the K2 is much less than from the DX-70TH
that I use as my primary digital mode rig. Although the signals decoded
well, the traces on the waterfall barely showed even at fairly high
soundcard record volume settings. With the DX-70TH plugged into the
sound card instead, the same signals were brilliant yellow and easily
found by eye.
What can I do to increase the audio output level of the K2 for sound
card purposes?
Cathy
N5WVR
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