A.every two years
B.every three years
C.every year
D.every four years
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A.the radio regulations
B.the technical terms and definitions
C.how to operate the GMDSS SES equipment
D.Maritime Communications
A.alphabetical
B.figure
C.name of stations
D.series
A.radio direction-finding apparatus
B.DSC
C.NAVTEX
D.EPIRB
A.871
B.872
C.873
D.874
A.routine
B.distress
C.urgency
D.safety
最新試題
The priority of EGC messages is classified by().
()will form the basis for distress alerting and safety calling.
COSPAS-SARSAT is intended to be used for().
International Navtex service means the coordinated broadcast and automatic reception on()khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?()
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.
The frequency()the safety message will be transmitted shall be included in DSC safety call.
We consider()send a helicopter with medical facilities to the distress area.
What following is not among the function of SOLAS ships?()
Monitoring is especially important in a highly automated system which is dependent on careful()procedure and format.