A.INMARSAT
B.IMO
C.MSC
D.CES
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A.an LES
B.an SES
C.a ship station
D.a Land Mobile Station
A.enter the system rapidly / wait for rescue
B.have an absolute priority to enter the system / contact with a CES
C.establish contact with the RCC / enter the port
D.enter the system gradually / get the rescue
A.Yamaguchi, Japan
B.Beijing, China
C.Nakhodka, Russia
D.Perth, Australia
A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA
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
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COSPAS-SARSAT is intended to be used for（）.
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
Before GMDSS, if the radio officer on board is serious ill,（）.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
The priority of EGC messages is classified by（）.