[Elecraft] Best way to make comparative antenna signal strength measurements using K3 (and P3)

[David Cole]

Interesting question just popped into my head as I read this...  

Does the P3 follow which RX is selected?  

-- 
Thanks and 73's,
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On Mon, 2015-09-28 at 07:39 -0700, Bill Conwell wrote:
> I'd like to do some quick and dirty comparing of antenna output signals
> using my K3 (and/or P3).
> 
>  
> 
> (I've got two antennas I'd like to compare using different received carrier
> signals - e.g., from a neighbor's TX, W1AW RTTY bulletins, etc.)
> 
>  
> 
> I see that the K3 can display the RMS value of receiver AF output (mVp-p),
> unaffected by AF GAIN control.  And after that stabilizes, I can also get
> dbV to display.  (How long is the stabilization period?  Does the display
> sample and hold a single value, or is it averaged and continuously updated?
> It seems like the former.)
> 
>  
> 
> Is this the way to go, or is there something I can do with the P3 that will
> give a readout in dBm?  (I guess I could make a rough graphical measurement
> by setting the P3 display threshold to match the weaker signal, then
> switching to the stronger signal, and seeing how far above that threshold it
> rises - with Scaling maximized.)
> 
>  
> 
> I know there's also W8WWW's S-Meter Lite, with which I've also dabbled -
> presenting a digital S-meter, or relative dB, output.  (Or I could do a step
> attenuator approach, but then I couldn't compare by simply flicking the
> antenna switch, and QSB would be a problem.)
> 
>  
> 
> Thoughts?
> 
>  
> 
> Tnx,
> 
>  
> 
> /Bill, K2PO
> 
> Portland, OR
> 
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