Found the problem. The output from the homebrew station controller going
to the line in on the computer was disconnected. The disconnect occurred
when other connections on the station controller that go to various
switches on the tower were disconnected as a precaution while being away
over the weekend.
My error, but glad the fix was nothing more than plugging in the plug to
the jack on the station controller.
73,
Mike, K4GMH
On Tue, May 28, 2013 at 6:43 PM, Mike <k4gmh@arrl.net> wrote:
> Hello,
>
> For some reason, both my sound cards are not recognizing the line in
> audio. Two sound cards have been tried and two radios with neither
> combination showing the normal noise display on the spectrum or waterfall
> display. The line in is selected. volume control set to max., and right -
> left stereo selector moved from one to the other. Still no indication of
> line in signal being seen.
>
> This problem started today after the computer's OS (XP) received an
> automatic program "upgrade". Haven't done a restore prior to the upgrade.
>
> The sound cards' wave input is working okay from the computer.
>
> Tried other amateur S/W programs that have been working, MixW2 and MMTTY,
> and signal coming into the line in input isn't seen by any of the S/W
> programs.
>
> Thunderstorms have not been in the area for several weeks,
>
> Any ideas of where to look for a solution?
>
> 73,
> Mike, K4GMH
>
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