题目内容

In COSPA S-SARSAT, distress signals are always stored in the memory so as to start _________.

A. local-mode coverage
B. SAR operations
C. data process
D. continuous broadcast

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How many total frequencies are available for DSC distress alerting?

A. One
B. Five
C. Two
D. Seven

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The distress message should be preceded by _________.

A. PAN PAN
B. SECURITE
C. MAYDAY
D. MEDICO

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Without the permission of _________, a ship earth station can not access the INMARSAT system.

A. International Maritime Organization
B. International Telecommunication Union
C. the nearest coast station to the ship
D. International Mobile Satellite Organization

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The frequency 518kHz will be used to transit _ and _ warnings in NAVTEX.

A. navigational/typhoon
B. traffic/meteorological
C. marine/hurricane
D. navigational/ meteorological

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In COSPA S-SARSAT, distress signals are always stored in the memory so as to start _________.

A. local-mode coverage B. SAR operations C. data process D. continuous broadcast

How many total frequencies are available for DSC distress alerting?

The distress message should be preceded by _________.

Without the permission of _________, a ship earth station can not access the INMARSAT system.

The frequency 518kHz will be used to transit _________ and _________ warnings in NAVTEX.

A. local-mode coverage
B. SAR operations
C. data process
D. continuous broadcast

The frequency 518kHz will be used to transit _ and _ warnings in NAVTEX.