Thanks for all the suggestions. I was unable to find where to turn off
all the fancy options for this sound card. I did see where to enable
some options, but all were disabled. I was connected into the Front
Speaker jack. It does have an environment setting, which was set to
Normal. I could
I bought one of those a few months ago (it was sold under a different brand
name but it looks and cost the same.) I did detect noise on the waterfall at
some parts of the audio spectrum when receiving PSK through a narrow filter.
The noise was outside the filter passband and would probably not
