问题

Which of the following statements abou

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

ADistress messages should first be transmitted on 2182 kHz
BChannel 16 (156.8 MHz) may be used for distress messages
CIf no answer is received on the designated distress frequencies，repeat the distress call on any frequency available
DIt is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duratio

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