A.ITU
B.IMO
C.INMARSAT ORGANIZATION
D.the nearest CES
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A.the routing agreement for a particular ocean region
B.The communication service he required
C.the positions of his ship and the CESs
D.B and C
A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA
A.switch operator
B.communication gateway
C.national operator
D.on-scene commande
A.64.5E
B.178E
C.15.5W
D.54W
A.always move slowly
B.are in one place only
C.sometimes move and sometime don‟t
D.synchronize with the movement of the earth
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Please use（）for（）.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
Radio beacon can be activated（）in case of distress.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
（）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.
What following is not among the function of SOLAS ships?（）