单项选择题
A.Inmarsat SES B.VHF /DSC or MF/DSC C.SART and VHF/DSC D.Satellite EPIRB and VHF /DSC
On-scene communications will normally take place betwee...
单项选择题On-scene communications will normally take place between（）.
A.ship in distress and assisting units B.NCS and RCC C.RCCs and “on-scene commander” or “coordinator surface search” D.ship in distress and coast station
（）will form the basis for distress alerting and safety ...
单项选择题（）will form the basis for distress alerting and safety calling.
A.GMDSS B.EGC C.MSI D.DSC
Distress signal are always stored in the memory so as t...
单项选择题Distress signal are always stored in the memory so as to start（）.
A.local-mode coverage B.SAR operation C.data process D.continuous broadcast
