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E1A01:Why is it not legal to transmit a 3 kHz bandwidth USB signal with a carrier frequency of 14.348 MHz?

E1A01E1AFCC 97.305, 97.307(b)

Why is it not legal to transmit a 3 kHz bandwidth USB signal with a carrier frequency of 14.348 MHz?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E1A01 is The upper 1 kHz of the signal is outside the 20-meter band.

The reason is the upper 1 kHz of the signal is outside the 20-meter band. Connect the cause in the question to this direct result instead of memorizing the answer letter.

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More questions in E1A

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