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A transmitter has an output of 1000 watts PEP. The coaxial cable, connectors and antenna tuner have a composite loss of 1 dB, and the antenna gain is 10 dBd. What is the Effective Radiated Power (ERP) in watts PEP?
8000
Net system gain = -1 dB (loss) + 10 dB (gain) = +9 dB. A 9 dB gain corresponds to a power ratio of 10^(9/10) ≈ 7.94 (approximately 8). ERP = 1000W * 8 = 8000W.
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