[Elecraft] K3/P3 issue

[David G4DMP]

In a recent message, Alan <n1al at sonic.net> writes
>So you would expect it to read 3 dB lower (half the power), which is 
>half an S unit.

This is something that has always puzzled me, Alan. I agree that -3dB is 
half the power (in watts), but S-meter calibration is related to 
(micro)voltage.   It is often assumed that doubling ones power increases 
the signal at the receiving end by one S-point.  But what is the 
technical explanation of this?

73

David G4DMP

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