A.component
B.supportable
C.combined
D.complimentary
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A.local-mode coverage
B.SAR operations
C.data process
D.continuous broadcast
A.Inmarsat-A
B.Inmarsat-C
C.Inmarsat-B
D.Inmarsat-M
A.satellite EPIRBs
B.Non-satellite EPIRBs
C.SES and DSC
A.871
B.872
C.873
D.874
A.an CES / telex mode
B.an SES telex service
C.the service /the subscriber
D.a satellite /an ocean region
最新試題
（）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.
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
SOLAS ships shall be equipped with（）.
On-scene communications will normally take place between（）.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
Before GMDSS, if the radio officer on board is serious ill,（）.
The priority of EGC messages is classified by（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）