A repeater has 150 W transmitter output, 2 dB feed-line loss, 2.2 dB duplexer loss, and 7 dBd antenna gain. What is its ERP?
AnswerApproximately 286 watts ERP.
Combine gains and losses in dB: net antenna-system gain is about +2.8 dB, which raises 150 W to roughly 286 W ERP.