题目内容

Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?()

A. If no answer is received on the designated distress frequencies,repeat the distress call on any frequency available
B. Channel 16 (156.8) may be used for distress messages
C. It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration
Distress messages should first be transmitted on 2182 kHz

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