[RFI] 40 Meter RFI Issue

Michael Coslo mcoslo at comcast.net
Fri Aug 28 17:26:55 EDT 2015


In AM mode, there are two sounds involved. One is a sort of high pitched raspy note, and the other sounds like 120 Hz (roughly) noise. The lower note is at the lowest frequency of the respective bars.

-73 de Mike N3LI -

> On Aug 28, 2015, at 4:56 PM, Gary K9GS <garyk9gs at wi.rr.com> wrote:
> 
> Hi Mike,
> 
> Can you actually hear these signals or just seeing on the waterfall?  What does it sound like?  Stable in frequency?  Any evidence of modulation?
> 



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