In general, there are two parts in an SES, One of these is antenna eqipment also referred to as（）.

单项选择题After successful commissioning , the（）will permit the SES access to system.

A.INMARSAT
B.IMO
C.MSC
D.CES

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

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