题目内容

Regarding the capability of Class 2 INMARSAT-C MBS, the choice _________ is not true.

A. Two modes of operation (selected by the operator)， EGC and messaging， the other one is EGC Only.
B. And also capable of receiving EGC messages when not engaged in Inmarsat-C traffic.
C. Ready for EGC message reception exclusively (and not available in that mode for Inmarsat-C message transfer).
D. Ship-to-shore and shore-to-ship message transfer and distress alerting， but is not capable of receiving EGC messages.

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The Inmarsat system has five major components: Space Segment, NCC, NCS, CES, SES. The abbreviation for SES can be replaced by _________

A. OCC
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A. SARTs
B. 406 EPIRB
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A. WRU.
B. KKKK.
C. GA+.
D. ”……“