[Elecraft] K3/P3 issue

Alan n1al at sonic.net
Thu Oct 1 18:43:41 EDT 2015


For a continuous CW tone, the level should be the same on the P3 and the 
external monitor.  For SSB, the SVGA display should read 1/2 S-unit lower.

The reason is that, unlike CW, an SSB signal is spread out in frequency. 
  Since the SVGA monitor has twice the frequency resolution than the P3 
main screen, each display point only covers half the bandwidth.  So you 
would expect it to read 3 dB lower (half the power), which is half an S 
unit.

Alan N1AL


On 10/01/2015 01:11 PM, David Cole wrote:
> Perhaps I missed the answer to this...
>
> My SVGA external monitor shows signals about 1/2 to one S unit lower
> than my P3 does on the native screen...  What am I missing?
>
> If I use Peak Hold, there is a clear 1/2 to one S-Unit difference in teh
> display height...
>


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