A.MF
B.VHF
C.HF
D.LF
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A.1995
B.1998
C.1999
D.2000
A.common communication system
B.distress traffic system
C.basic concept of GMDSS
D.SAR operation procedure
A.ship-to-shore
B.shore-to –ship
C.bridge-to-bridge
A.general radio communication
B.MSI
C.improved distress and safety communication
D.bridge-to-bridge communication
A.ITU
B.IMO
C.MSC
D.WMO
最新試題
By using（）system a ship can send a distress message and know with certainty it will be received.
Radio beacon can be activated（）in case of distress.
The rescue coordination center may（）on stations which interfere with traffic.
SOLAS ships shall be equipped with（）.
The priority of EGC messages is classified by（）.
All coast radio stations（）DSC installed for VHF and HF.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
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.