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
What following is not among the function of SOLAS ships?（）
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?（）
All coast radio stations（）DSC installed for VHF and HF.
SOLAS ships shall be equipped with（）.
Please use（）for（）.
Before GMDSS, if the radio officer on board is serious ill,（）.
Ship-to-ship distress alerting should be conducted by（）.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.