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      Question

      The minimum number of geostationary 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 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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