Reg Edwards wrote:
All the so-called SWR meter tells you is whether or not the
transmitter is being loaded with 50 ohms.

This may be a useful thing to know. But it is NOT SWR. Where is the
line on which the SWR is supposed to be measured?

If the reflected power on the line between the transmitter and
the meter equals zero:

SWR = [SQRT(Pf)+SQRT(Pr)]/[SQRT(Pf)-SQRT(Pr)]

SWR = [SQRT(Pf)+0]/[SQRT(Pf)-0] = 1:1
--
73, Cecil http://www.qsl.net/w5dxp


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