單項選擇題

What publications should a GMDSS Operator consult regarding the proper set-up and operation of vessel equipment（）.

A.ITU Publications
B.The manufacturers instruction manuals
C.Part 90 of the FCC Rules and Regulations
D.Code of Federal Regulations，Title 47，Part 80，Subpart W

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單項選擇題

The data travels from the（）to the INMARSAT Network Coordination Station（NCS）and then down to the SES’s on ships at sea.

A.VHF
B.SART
C.NAVTEX
D.LES

單項選擇題

The（）provides the link between the Space Segment and the land-based National/International fixed communications networks.

A.VHF
B.SART
C.NAVTEX
D.LES