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What percentage of the earth can communication satellites see?

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What percentage of the earth can communication satellites see?

(a) 20

(b) 50

(c) 70

(d) 40

The question was asked by my college professor while I was bunking the class.

I need to ask this question from Satellite Orbits in section Satellite Communication of Avionics

1 Answer

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Right option is (d) 40

To elaborate: Most communication satellites in use today are of the geosynchronous variety. Approximately 40 percent of the earth’s surface can be “seen” or accessed from such a satellite. Users inside that area can use the satellite for communication.

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