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    Question

    Theminimumnumberofgeostationary satellites needed for

    un-interrupted global coverage is
    A 3 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 1 Correct Answer Incorrect Answer

    Solution

    In theory, 2 satellites in diametrically opposite geosynchronous orbits couldcovertheplanet.Inorderforthesatellites to communicate, a minimum of 3 would be needed, each at a 60 degree angle to the others. At this point, the strength and quality of coverageincreasesproportionallytothenumber of satellites.

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