4BA-1B.3 How much must the mean power of any spurious emission or radiation from an amateur transmitter be attenuated when the carrier frequency is above 30 MHz but below 225 MHz and the mean transmitted power is greater than 25 watts?
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At least 30 dB below mean power of the fundamental
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At least 40 dB below mean power of the fundamental
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At least 50 dB below mean power of the fundamental
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At least 60 dB below mean power of the fundamental