[BC] AM metering point

[Thomas G. Osenkowsky]

The same hold true for calculating the Efficiency "F" for indirect power
measurement in a non-D AM system. It's not only the PA efficiency but also
the transmission line and ATU are considered part of the PA.

Tom Osenkowsky, CPBE

>The same would be true with a broadcast system. Measuring the power level
>at the transmitter side of the ATU would result in a substantial
>disadvantage, since no tank circuit or matching network is 100% efficient.