题目内容

What is the minimum operator license required to perform or supervise the performance of (SBM)Shore-Based Maintenance in sea area A3?

A. Second Class Radio Electronic Certificate.
B. Restricted Operator's Certificate.
C. First Class Radio Electronic Certificate.
D. GMDSS General Operator's Certificate.

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How to prevent the reception of unwanted broadcasts by vessels utilizing the NAVTEX system?

A. Operating the receiver only during daytime hours
B. Programming the receiver to reject unwanted broadcasts
Coordinating reception with published broadcast schedules
D. Automatic receiver de-sensitization during night hours

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The SARTs works on _________

A. S-band
B. VHF-band
C. X-band
D. L-band

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Maritime Safety Information includes _________. ① meteorological warnings ②meteorological warnings and forecasts ③ other urgent safety related messages broadcast to ships

A. ①②
B. ②③
C. ①③
D. ①②③

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Signals for locating will be transmitted by _________ in 9GHz band.

A. SART
B. DSC
C. NBDP
D. RT

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What is the minimum operator license required to perform or supervise the performance of (SBM)Shore-Based Maintenance in sea area A3?

A. Second Class Radio Electronic Certificate. B. Restricted Operator's Certificate. C. First Class Radio Electronic Certificate. D. GMDSS General Operator's Certificate.

How to prevent the reception of unwanted broadcasts by vessels utilizing the NAVTEX system?

The SARTs works on _________

Maritime Safety Information includes _________. ① meteorological warnings ②meteorological warnings and forecasts ③ other urgent safety related messages broadcast to ships

Signals for locating will be transmitted by _________ in 9GHz band.

A. Second Class Radio Electronic Certificate.
B. Restricted Operator's Certificate.
C. First Class Radio Electronic Certificate.
D. GMDSS General Operator's Certificate.