A.Local User Terminal
B.Spacecraft
C.Local-mode coverage
D.Near polar orbiting satellites
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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
A.a fixed area or Navarea in any ocean region
B.a Navarea or weather forecast area
C.the designated area or given geographic position
D.anywhere of the world
最新試題
Radio communication（）for many years and helps to save tens of thousands of lives.
On-scene communications will normally take place between（）.
Please use（）for（）.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
What following is not among the function of SOLAS ships?（）
（）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.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.