A.automatically suppressed
B.finished by the operator
C.manually suppressed
D.done again
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A.DSC
B.EPIRB
C.EGC
D.NBDP
A.Inmarsat SES
B.VHF /DSC or MF/DSC
C.SART and VHF/DSC
D.Satellite EPIRB and VHF /DSC
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
A.GMDSS
B.EGC
C.MSI
D.DSC
A.local-mode coverage
B.SAR operation
C.data process
D.continuous broadcast
最新試題
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
Before GMDSS, if the radio officer on board is serious ill,（）.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
On-scene communications will normally take place between（）.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
Radio communication（）for many years and helps to save tens of thousands of lives.
By using（）system a ship can send a distress message and know with certainty it will be received.