[Elecraft] P3 Artifacts On The Waterfall Display

Dave New, N8SBE n8sbe at arrl.net
Mon Mar 19 13:48:05 EDT 2012


Do you have any transverters or other possible spurious noise sources
hooked up?

I noticed that once I hooked up my Elecraft 2 M and 70 cm transverters
that noticeable spurious lines started showing up.  I haven't had time
to try to chase it down, yet.

73,

-- Dave, N8SBE

> -------- Original Message --------
> Subject: [Elecraft] P3 Artifacts On The Waterfall Display
> From: "Jack Regan" <ae6gc at sbcglobal.net>
> Date: Thu, March 15, 2012 5:52 pm
> To: <Elecraft at mailman.qth.net>
> 
> 
> I have noticed that there are several white lines showing in the waterfall
> display that do not move when I change frequency.  Some are fuzzy and some
> are well defined narrow lines. All these lines are vertical and would appear
> to be signals except that when I tune toward the signal they never change
> their position on the display. Real signals  can be tuned into and the
> waterfall shows their change to the center of the display.  It is really
> noticeable on 10  20 and 50 but does not seem to be happening at all on 15
> and 40. The rest of the bands have the problem to a lesser degree.
> 
>  
> 
> Any ideas?
> 
>  
> 
> Jack AE6GC
> 
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