[Elecraft] P3TXMON question?

[Bill Breeden]

It's important to remember that RF power expressed in watts is always 
based on RMS values.  If RF watts are calculated by measuring the 
voltage across a known load, the voltage must be expressed as an RMS 
value to correctly calculate the power in watts.  Watts are watts.  
There is no such thing as "peak to peak" or "RMS watts" when expressing 
RF power in watts.

Peak envelope power (PEP) has nothing to do with the difference between 
the peak and average voltage of a sine wave.  It is the measure of the 
power of an RF signal at the modulation peak, averaged over one RF 
cycle.  The power measurement within that one RF cycle is still based on 
RMS values.

73,

Bill - NA5DX