单项选择题
A mobile earth station in the maritime mobile-satellite service,which is located on board ship,is called（）.
A.an LES
B.an SES
C.a ship station
D.a Land Mobile Station
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相关考题
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单项选择题
Any ship with SES can（）and（）through the Inmarsat satellites when sending a distress alert.
A.enter the system rapidly / wait for rescue
B.have an absolute priority to enter the system / contact with a CES
C.establish contact with the RCC / enter the port
D.enter the system gradually / get the rescue -
单项选择题
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 -
单项选择题
The NCS of INMARSAT-A system in the IOR is in（）.
A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA
