A Marine operating a frequency-hopping, encrypted radio net can hear the net control station, but their own transmissions are received as garbled audio. Power, antenna, and frequency settings are confirmed correct. What is the MOST likely cause of this communication failure?
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A
The squelch setting on the radio is incorrect.
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B
The operator is too far from the retransmission site.
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C
The wrong COMSEC key is loaded, or the Time of Day (TOD) is incorrect.
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D
The radio's battery is too low to transmit clearly.