单项选择题
Which Inmarsat system applies store-and-forward messaging?（）
A.Inmarsat-A
B.Inmarsat-C
C.Inmarsat-B
D.Inmarsat-M
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相关考题
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单项选择题
（）are operated as a secondary method of alerting in the GMDSS.
A.satellite EPIRBs
B.Non-satellite EPIRBs
C.SES and DSC -
单项选择题
The maritime access code of telephone mode in INMARSAT-A terminal for the IOR is（）.
A.871
B.872
C.873
D.874 -
单项选择题
When you have received GA+ from the CES for the INMARSAT-A telex communication, you should immediately select（）and（）you required.
A.an CES / telex mode
B.an SES telex service
C.the service /the subscriber
D.a satellite /an ocean region
