[Elecraft] P3 SVGA interference -

[donovanf at starpower.net]

Hi Mike, 


Have you tried turning your monitor off? I've never had the issue 
you describe 


73 
Frank 
W3LPL 

----- Original Message -----

From: "mjpilgrim" <mpilgrim at bellsouth.net> 
To: elecraft at mailman.qth.net 
Sent: Saturday, February 10, 2018 8:32:03 PM 
Subject: Re: [Elecraft] P3 SVGA interference - 

I wonder if this discussion and suggested ribbon clips address my issue. I 
acquired my K3 this past summer and then a P3 off of eBay shortly 
thereafter. I installed the SVGA adapter a couple months ago and I have a 
problem which sounds similar to what is described in this thread. For lack 
of a better description let me say this symptom happens only on 
20Meters..... as I view my spectrum now from 14.250 to 14.350 the noise 
floor rests basically around S-2 across the entire band, revealing a few 
transmitted ham conversations, My center frequency on the scope is 14.300 
and at this moment I see occasional noise peaks rising up to as high as S-5 
in two or three instances approximately 10khz wide, and at times 20 khz or 
wider. These noise peaks are not consistent with any observed or detected 
human voice transmission. At times I can see a very broad band of noise on 
the waterfall which spans the entirety of the floating noise floor. The 
same observation occurs when I am tuned down in the CW portion of the band. 

I don't recall if this observation was present prior to adding the SVGA 
adapter, and I've not thought about opening the P3 to inspect or move any 
cables. 

I know this symptom can best be demonstrated with a photo, so if that would 
be beneficial, I will be happy to oblige. Just let me know who needs to see 
it. 

This is certainly a very annoying issue I wish to resolve. I'm open to any 
ideas or suggestions. 
Thanks, Mike, K5MP 



-- 
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