题目内容

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

A. OCC
B. NCS
CES
D. MES

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Every ship, while at sea, shall be capable: ①of receiving shore-to-ship distress alerts ②of transmitting and receiving MSI ③of transmitting and receiving ship-to-ship distress alerts

A. ①②
B. ②③
C. ①③
D. ①②③

You can not use _________ to provide locating signals in GMDSS.

A. SARTs
B. 406 EPIRB
C. NEVTEX
D. Satellite or Float-Free EPIRBs， 9 GHz signals of SARTs

The characters _________ are sent by the shore station to indicate that he has shifted control to and is awaiting instructions from the vessel.

A. WRU.
B. KKKK.
C. GA+.
D. ”……“

Which HF NBDP mode would be selected to receive weather broadcasts from high seas shore stations?

A. DSC
B. CFEC
C. SFEC
D. ARQ