题目内容

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

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

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How is maximum coverage provided by satellites in the GMDSS?

A. There are four satellites in polar orbit.
B. There are four satellites in geostationary orbit.
C. Each service (INMARSAT-F, -B, -C and –M) has four satellites in orbit.
D. GMDSS optimizes coordinated use of COSPAS-SARSAT satellites.

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