A.EPIRB
B.PLB
C.ELT
D.MCC
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A.Local User Terminal
B.Spacecraft
C.Local-mode coverage
D.Near polar orbiting satellites
A.1992
B.1980
C.1984
D.1988
A.distress alerting
B.communication
C.broadcasting MSI
D.on-scene communication
A.free reception
B.free transmission
C.dedicated reception
D.dedicated transmission
A.A NAVTEX receiver
B.An EGC receiver
C.MF/HF radio telephone
D.HF radio telephone with NBDP
最新試題
COSPAS-SARSAT is intended to be used for（）.
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
The rescue coordination center may（）on stations which interfere with traffic.
On-scene communications will normally take place between（）.
By using（）system a ship can send a distress message and know with certainty it will be received.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
What following is not among the function of SOLAS ships?（）
The vessel has stayed in port for seven days because she needs（）.
Before GMDSS, if the radio officer on board is serious ill,（）.