题目内容

In COSPAS-SARSAT system, which part will transmit distress alert and location information to appropriate rescue authorities all over the world?

A. Polar orbiting satellites.
B. Ground receiving stations.
C. MCC.
D. ROC.

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What role does NCC play in Inmarsat system?

A. Direct center.
B. Control Center,
C. Monitoring center.
D. Nerve center.

Concerning the term " geostationary satellites ", which of the following is correct?

Always move slowly.
B. In one place only.
C. Sometimes move sometimes don't move.
D. Synchronizing with the movement of the earth.

What priority code is associated with routine calls made via Inmarsat-B?

A. 0
B. 1
C. 2
D. 3.

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