單項(xiàng)選擇題During a（）period, as a newly commissioned SES, your IMN will be past to the other CESs.
A.20 hour
B.12 hour
C.24 minute
D.24 hour
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1.單項(xiàng)選擇題The Inmarsat SES operator can choose the most suitable CES according to（）.
A.his service and position
B.time and course
C.tide and speed
D.type of his ship
2.單項(xiàng)選擇題The Network Coordination Station for the INMARSAT-A coast stations in the Pacific ocean region is in（）.
A.Yamaguchi, Japan
B.Beijing, China
C.Nakhodka, Russia
D.Perth, Australia
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Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
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Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
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The frequency（）the safety message will be transmitted shall be included in DSC safety call.
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The advantage of geostationary satellites is（）.
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The rescue coordination center may（）on stations which interfere with traffic.
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