A.indicate the ship in distress that the alert has been received
B.alert ships in the area of a distress incident that a distress has occurred
C.inform other coast station of distress incident
D.repeat the distress alert in 5 minutes
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A.component
B.supportable
C.combined
D.complimentary
A.local-mode coverage
B.SAR operations
C.data process
D.continuous broadcast
A.Inmarsat-A
B.Inmarsat-C
C.Inmarsat-B
D.Inmarsat-M
A.satellite EPIRBs
B.Non-satellite EPIRBs
C.SES and DSC
A.871
B.872
C.873
D.874
最新試題
The priority of EGC messages is classified by（）.
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.
Ship-to-ship distress alerting should be conducted by（）.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
The rescue coordination center may（）on stations which interfere with traffic.
The advantage of geostationary satellites is（）.
Radio beacon can be activated（）in case of distress.
Radio communication（）for many years and helps to save tens of thousands of lives.