The minimum number of geostationary satellites needed for un-interrupted global coverage is (1) 3 (2) 2 (3) 4 (4) 1

The minimum number of geostationary satellites needed for un-interrupted global coverage is (1) 3 (2) 2 (3) 4 (4) 1
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(2) 2 Explanation: In theory, 2 satellites in diametrically opposite geosynchronous orbits could cover the planet. In order for the satellites 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 coverage increases proportionally to the number of satellites.
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