A.be transmitted at once though the frequency is not clear
B.be transmitted as soon as the frequency is cleared coordinately
C.be transmitted at its scheduled transmissions
D.be transmitted at next scheduled transmissions
您可能感興趣的試卷
你可能感興趣的試題
A.meteorological warnings
B.navigational warnings
C.search and rescue information
D.meteorological forecast
A.300
B.400
C.500
D.600
A.on the bridge
B.in the coast station
C.on the forecastle
D.on starboard side
A.subject for
B.liable to
C.easy to meet
D.always encounter
A.NBDP/VHF radio
B.Inmarsat safetyNet/NAVTEX
C.Safety service / Inmarsat-A
D.Long range / short range
最新試題
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
The vessel has stayed in port for seven days because she needs（）.
The rescue coordination center may（）on stations which interfere with traffic.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
By using（）system a ship can send a distress message and know with certainty it will be received.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
The advantage of geostationary satellites is（）.
SOLAS ships shall be equipped with（）.