A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA
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A.location and capacity of the facilities located on board ships
B.Position and type of a sincere sintion
C.Capacity and location of shore based communication facilities
D.Position and capacity of mobile communication stations
A.64.5E
B.178E
C.15.5W
D.54W
A.communications in the whole system will stop
B.the global system will be damaged
C.the back-up one will take its place
D.the whole system will not work
A.besides the polar regions
B.including the North Pole and the South Pole
C.above 70N and below 70S
D.as far north and south 70
A.satellite network
B.Satellite Link
C.INMARSAT
D.Satellite System
最新試題
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
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.
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.
By using（）system a ship can send a distress message and know with certainty it will be received.
Please use（）for（）.
On-scene communications will normally take place between（）.
COSPAS-SARSAT is intended to be used for（）.
All coast radio stations（）DSC installed for VHF and HF.