A.transmit distress signal
B.send response signal
C.transmit the signal of ship’s position
D.be started by X-band radar
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A.the main source of energy
B.emergency source of electrical power
C.the reserve source of energy
D.all of above
A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA
A.180E above the equator
B.64.5 E over the IOR
C.15.5W along the straight line
D.55.5W above the equator
A.complicated circumstances
B.changeable atmospheric pressure
C.large density of traffic
D.some strong signals from unwanted satellites
A.besides the polar regions
B.including the North Pole and the South Pole
C.above 70N and below 70S
D.as far north and south 70
最新試題
Ship-to-ship distress alerting should be conducted by（）.
What following is not among the function of SOLAS ships?（）
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
On-scene communications will normally take place between（）.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
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.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
All coast radio stations（）DSC installed for VHF and HF.
The rescue coordination center may（）on stations which interfere with traffic.