A.412.413.414 B.411.412.413 C.414.415.416 D.417.418.419
A.INMARSAT對地靜止衛(wèi)星 B.甚高頻(VHF)海岸電臺的無線電話 C.中頻(MF)海岸電臺的無線電話 D.衛(wèi)星應急示位標(EPIRB)
A.300 B.400 C.500 D.600