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Question

How many geosynchronous communication satellites are required to cover all inhabited regions of the Earth?


A
4
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B
3
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C
5
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D
1
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Solution

The correct option is B 3
  • A single geostationary satellite is on a line of sight with about 40 percent of the earth's surface. 
  • Three such satellites, each separated by 120 degrees of longitude, can provide coverage of the entire plane the north and south geographic poles.

Geography

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