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

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

时间:2022-09-04 11:36:03 所属题库:遇险通信题库

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