[Elecraft] rig polling "noise"

[Phil, WB6TQG]

>      here it is, contest season, and would like to use the K2 in
> the C.W. tests,
> hooked up the computer and logging programs to the K2, work just
> fine, cept
> I pick up the computer polling the radio, is abt S-9 on ten, S-6
> on 15, and gets
> less as I go down the bands, anybody else have such a problem ??
> this is using Writelog, Trlog, and to a lesser extent, K2 remote

Did you connect the audio from the computer to the K2? I recall having a
problem like this when I turned on polling for RTTY & PSK31. It turned out
that the problem was caused by a ground loop due to the shields of the audio
cables. I fixed the problem by inserting 1:1 audio transformers to prevent
the ground loop. The transformers can be obtained at RadioShack.

If you had a similar configuration and would like more info, let me know.

73, Phil, WB6TQG