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單項選擇題

When the power of SART is on, it will（）.

A.transmit distress signal
B.send response signal
C.transmit the signal of ship’s position
D.be started by X-band radar

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單項選擇題

The source of energy fitted in GMDSS complying vessels must be（）.

A.the main source of energy
B.emergency source of electrical power
C.the reserve source of energy
D.all of above

單項選擇題

The NCS of INMARSAT-A system in the IOR is in（）.

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

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