A.medical assistanceB.medical adviseC.maritime assistan……

单项选择题To establish a communication channel for the telex service in the INMARSAT-A terminal, you should first（）.

A.establish a communication channel from the CES, via the International Telex network to the final destination
B.set up a communication channel from your SES, via a satellite, to a CES within your ocean region
C.set up a channel directly to the addressee at the destination
D.establish a channel from your terminal, via the International telex network to a CES within your ocean region

单项选择题What part of the Inmarsat will the SES get access to if the commissioning is successful?（）

A.The SES
B.The space segment
C.Any CES
D.The CES decided by the applicant

单项选择题Without permission of（）, a ship earth station can not enter the system.

A.ITU
B.IMO
C.INMARSAT ORGANIZATION
D.the nearest CES

单项选择题An SES operator can chose the most suitable CESs according to（）.

A.the routing agreement for a particular ocean region
B.The communication service he required
C.the positions of his ship and the CESs
D.B and C

单项选择题The NCS of INMARSAT-A system in the AOR-E is in（）.

A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA