[Elecraft] Possible phase noise question...

[Don Wilhelm]

That indicates to me that your soundcard ADC is being overdriven, or 
that you have a bad soundcard.

73,
Don W3FPR

On 7/1/2014 1:02 AM, David Cole wrote:
> Here is a bit more info on the issue...
>
> If my friend moves his frequency just out of the radio passband, as
> shown on the P3, the problem go away...  The base noise level drops back
> down to normal...  Only when his signal is within the passband as shown
> on the P3 does the base noise level rise...  I also narrowed the filter
> down to eliminate his signal, and as soon as his signal movers out of
> the pass band, the problem ends...
>
> Is it just that the K3 is not dealing with his signal levels?  This
> happens when he is running 5 Watts, and he is 1/2 mile from me...
>