A.DF
B.Radar System
C.DSC System
D.COSPAS-SARSAT
您可能感興趣的試卷
你可能感興趣的試題
A.nature of distress
B.type of assistance required
C.course and speed and time at which the information was recorded
D.A, B, C are all right
A.when two stations communicate with each other
B.in any radio system and at any time
C.when one ship sends a message to another station
D.for communication among some stations
A.VHF channels 16 and 13
B.Appropriate DSC distress and safety frequencies
C.INMARSAT TDM message channel
D.VHF channel 70 and channel 8
A.SAR party and the ship in distress
B.SAR authorities and the ship in distress and survival craft
C.A ship station and any coast station
D.Ship stations and shore-based communication network
A.Because they are not engaged in the distress traffic
B.they will affect the transmission of the distress traffic
C.The powers of these stations are very weak
D.They are not in charge of search and rescue
最新試題
COSPAS-SARSAT is intended to be used for（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
On-scene communications will normally take place between（）.
Before GMDSS, if the radio officer on board is serious ill,（）.
The rescue coordination center may（）on stations which interfere with traffic.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
We consider（）send a helicopter with medical facilities to the distress area.
（）will form the basis for distress alerting and safety calling.