A.square
B.triangle
C.circle
D.rectangle
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A.cannot
B.are not allowed
C.have the right
D.should get permission to
A.every two years
B.every three years
C.every year
D.every four years
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
最新試題
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
All coast radio stations（）DSC installed for VHF and HF.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
The vessel has stayed in port for seven days because she needs（）.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
（）will form the basis for distress alerting and safety calling.
The advantage of geostationary satellites is（）.
By using（）system a ship can send a distress message and know with certainty it will be received.
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
What following is not among the function of SOLAS ships?（）