A.from any Inmarsat satellite
B.from any appropriate Navtex and EGC station
C.via the satellite the SES is tracking
D.from any RCC and coast station
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A.identify
B.Correct
C.Reject
D.Print out
A.B2
B.B1
C.MAR
D.NNN
A.frequency allocated
B.both language and frequency
C.language used
D.transmission power and time
A.10 minutes every 4 hours
B.half an hour every other hour
C.irregular period of time
D.5 minutes every two hours
A.in any INMARSAT regions
B.in each NAVTEX area
C.at any distance
D.in Areas A3 and A4
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The advantage of geostationary satellites is（）.
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.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
Radio beacon can be activated（）in case of distress.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
SOLAS ships shall be equipped with（）.
By using（）system a ship can send a distress message and know with certainty it will be received.
On-scene communications will normally take place between（）.