What is the effective radiated power (ERP) of a repeater station with 200 watts transmitter power output, 4 dB feed line loss, 3.2 dB duplexer loss, 0.8 dB circulator loss, and 10 dBd antenna gain?
Answer317 watts
The listed losses total 8 dB and antenna gain is 10 dBd, leaving +2 dB net gain. Two hundred watts increased by 2 dB is about 317 watts ERP.