A.receive shore-to-ship distress alerting B.transmit ship-to-shore distress alerting C.receive message for public correspondence D.transmit and receive locating signals
A.the radio regulations B.the technical terms and definitions C.how to operate the GMDSS SES equipment D.Maritime Communications
A.only SAR authorities on land B.all ships in a very large sea area C.the nearest coast stations and port radios D.the SAR authorities ashore as well as ships in the vicinity of the casualty