[Elecraft] Bigger K3 S-meter

David Woolley (E.L) forums at david-woolley.me.uk
Sat Nov 1 10:16:05 EST 2008


Guy, K2AV wrote:
> beam kind of thing.  Although that can be done relatively with the audio
> voltage level, it wouldn't allow me to tell a local that his ground wave
> signal has gone down 3 db and is staying there, or be able to create data
> for studies over time.  

You only require that both measurements be relative to the same 
reference, not that the absolute value of that reference be known.  3dB 
always represents the same ratio.



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David Woolley
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