A、NBDP
B、EGC receiver
C、NBDP or both
D、EGC receiver or both
更多“Distress and safety communications following DSC calling will be performed by radiotelephony or（）.”相关的问题
A、distress, urgent and safety B、safety and routine C、urgent, safety and routine D、distress, urgent, safety and routine
A、Distress, Urgency and Safety B、Vital, Important and Routine C、NAVAREA, Coastal and local D、gale, Tsunami and Ice
A、general communication B、distress alerting and safety calling C、receive MSI D、both B and C
A、A.SAR party and the ship in distress B、B.SAR authorities and the ship in distress and survival craft C、C.A ship station and any coast station D、D.Ship stations and shore-based communication network
A、VHF channels 16 and 13 B、Appropriate DSC distress and safety frequencies C、INMARSAT TDM message channel D、VHF channel 70 and channel 8
A、VHF channel16 and 13 B、appropriate DSC distress and safety frequency C、INMARSAT TDM message channel D、VHF channel 70 and channel 8
客服
TOP
查看正确答案
