What is the emission designation for VHF-FM?
Official USCG Answer & Rule Citation
Correct Answer: Option C — F3E
F3E is the standard ITU emission designation for frequency-modulated telephony. This mode is used globally for VHF maritime communications, providing clear, short-range voice transmission. The 'F' denotes frequency modulation, '3' indicates a single channel containing analog information, and 'E' specifies telephony for human speech.
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