A.Inmarsat SES
B.VHF /DSC or MF/DSC
C.SART and VHF/DSC
D.Satellite EPIRB and VHF /DSC
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A.ship in distress and assisting units
B.NCS and RCC
C.RCCs and “on-scene commander” or “coordinator surface search”
D.ship in distress and coast station
A.GMDSS
B.EGC
C.MSI
D.DSC
A.local-mode coverage
B.SAR operation
C.data process
D.continuous broadcast
A.transmit distress signal
B.send response signal
C.transmit the signal of ship’s position
D.be started by X-band radar
A.the main source of energy
B.emergency source of electrical power
C.the reserve source of energy
D.all of above
最新試題
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
Please use（）for（）.
All coast radio stations（）DSC installed for VHF and HF.
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.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
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.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.