题目内容

The ARQ mode should be applied___________.

A. when two stations communicate with each other
B. in any radio system at any time
C. when one ship sends messages to another
D. for communication Among some stations

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Which emission class may be used for RT in the bands between 4,000 kHz and 27,500kHz?

A. J3E.
B. G2B.
C. A1A.
D. F1B or J2B.

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Every ship _________on or after 1 February 1995 shall comply with all the applicable requirements of Chapter four.

A. constructs
B. constructed
C. has constructed
D. was constructed

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SOLAS vessels should be able to communicate with shore stations_______ according to the SOLAS Convention.

A. in major ocean regions and at regular times
B. in case of distress
C. at any time and from any location
D. on fixed position and scheduled time

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Any shop with SES can and through the Inmarsat satellites when sending a distress alert.

A. enter the system rapidly / wait for rescue
B. have an absolute priority to enter the system / contact with a CES
C. establish contact with the RCC / enter the port
D. enter the system gradually / get the rescue

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The ARQ mode should be applied___________.

A. when two stations communicate with each other B. in any radio system at any time C. when one ship sends messages to another D. for communication Among some stations

Which emission class may be used for RT in the bands between 4,000 kHz and 27,500kHz?

Every ship _________on or after 1 February 1995 shall comply with all the applicable requirements of Chapter four.

SOLAS vessels should be able to communicate with shore stations_______ according to the SOLAS Convention.

Any shop with SES can ______and ______through the Inmarsat satellites when sending a distress alert.

A. when two stations communicate with each other
B. in any radio system at any time
C. when one ship sends messages to another
D. for communication Among some stations

Any shop with SES can and through the Inmarsat satellites when sending a distress alert.