A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA
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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
A.Space segment, NCC, RCC, SES and CES
B.Space Segment, a satellite system, C system, NCC and NCS
C.Space Segment, NCC, NCS,CES and SES
D.A system, C system, satellite system, earth stations and NCS
A.4
B.9
C.8
D.5
最新試題
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
What following is not among the function of SOLAS ships?（）
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
We consider（）send a helicopter with medical facilities to the distress area.