A.identify
B.Correct
C.Reject
D.Print out
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A.B2
B.B1
C.MAR
D.NNN
A.frequency allocated
B.both language and frequency
C.language used
D.transmission power and time
A.10 minutes every 4 hours
B.half an hour every other hour
C.irregular period of time
D.5 minutes every two hours
A.in any INMARSAT regions
B.in each NAVTEX area
C.at any distance
D.in Areas A3 and A4
A.navigational / typhoon
B.traffic / meteorological
C.marine / hurricane
D.navigational / meteorological
最新試題
Ship-to-ship distress alerting should be conducted by（）.
The priority of EGC messages is classified by（）.
On-scene communications will normally take place between（）.
Before GMDSS, if the radio officer on board is serious ill,（）.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
We consider（）send a helicopter with medical facilities to the distress area.
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
（）will form the basis for distress alerting and safety calling.
The rescue coordination center may（）on stations which interfere with traffic.