A.in any INMARSAT regions
B.in each NAVTEX area
C.at any distance
D.in Areas A3 and A4
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A.navigational / typhoon
B.traffic / meteorological
C.marine / hurricane
D.navigational / meteorological
A.dedicated system
B.MSI broadcasts
C.518KHZ
D.channel 16
A.ship’s movement
B.safety
C.ship’s management
D.hazards
A.by day or at night
B.almost round the clock
C.somewhat and sometime
D.from sunrise and sunset
A.DF
B.Radar System
C.DSC System
D.COSPAS-SARSAT
最新試題
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.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
Ship-to-ship distress alerting should be conducted by（）.
All coast radio stations（）DSC installed for VHF and HF.
What following is not among the function of SOLAS ships?（）
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
SOLAS ships shall be equipped with（）.
Radio communication（）for many years and helps to save tens of thousands of lives.
By using（）system a ship can send a distress message and know with certainty it will be received.