[Elecraft] P3 question - few signals show on the waterfall

[Cady, Fred]

Also, don't worry overmuch about trying to make the signal levels on the K3 and P3 agree.  Read Alan's explanation in the P3 manual under Spectrum Display.  After all, they are two different instruments.  The K3 tells you the signal strength either before or after preamplification/attenuation and the P3 gives you the relative signal strengths of the signals across the band, derived from the IF, and compensated for the k3 preamp/attenuation.  
Cheers and 73,
Fred KE7X

See www.ke7x.com for all KE7X Elecraft books.


________________________________________
From: Elecraft <elecraft-bounces at mailman.qth.net> on behalf of Tom <tomb18 at videotron.ca>
Sent: Friday, December 4, 2015 1:43 PM
To: Ken; elecraft at mailman.qth.net
Subject: Re: [Elecraft] P3 question - few signals show on the waterfall

Hi,
That's very typical.  The P3 or LPPAN for that matter will not always show
real weak signals.  The waterfall as opposed to the spectrum can be more
useful here.  Also, averaging,set high will help dig out the signals.
73 Tom

-----Original Message-----
From: Ken
Sent: Friday, December 04, 2015 12:55 PM
To: elecraft at mailman.qth.net
Subject: [Elecraft] P3 question - few signals show on the waterfall

I have a new P3 here connected to a K3.  I can hear signals that do not
show at all on the waterfall, and barely on the upper part of the
screen.  And signals that show on the P3 display do not show on the
attached VGA display.

I've gone over the Elecraft documentation and Fred Cady's booklet on the
P3 and I do not see any sensitivity adjustment for the display.   There
is the level calibrate but if I move that to extremes, it throws off the
K3 and P3 showing the same signal strength.  I don't think that is the
right adjustment for what I want.

Thanks
Ken WA8JXM
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