[Elecraft] P3 shows vertical green stripes on waterfall

[Vic Rosenthal K2VCO/4X6GP]

Various kinds of 'junk' on the screen have been reported to be caused by 
coax jumpers with poor shield contact at one or both ends. Try another 
cable if you haven't already.

On 20 Oct 2014 17:08, jsdroyster at nc.rr.com wrote:
> Hello all, I am trying to figure out why our P3 panadapter sometimes
> but not always shows a group of vertical green stripes that cover
> about 1/6 of the width of the screen.  These stripes are not related
> to RF frequency because if I switch bands they remain in the same
> location.  If I remain on one band and twirl the VFO knob, real radio
> signals move into the green stripes but the stripes themselves are
> immobile.
>
> Sometimes these are not there at all. Sometimes they are near the
> left of the screen, more often toward the middle.
>
> Wayne gave some instructions for investigating this on PX3,but this
> is P3. Any ideas?
>
> Am I correct that these cannot be related to real RF interference due
> to the above facts? Wouldn't real RF be frequency-related? We do
> sometimes get RF interference that shows as periodic narrow lines on
> the waterfall, but these wide stripes are different.
>
> THANKS! Julie KT4JR


-- 
73,
Vic, K2VCO/4X6GP
Rehovot, Israel
http://www.qsl.net/k2vco/