Question

what are the roles of satellites in modern communication system​

Answer 1

Answer:

The purpose of communications satellites is to relay the signal around the curve of the Earth allowing communication between widely separated geographical points. Communications satellites use a wide range of radio and microwave frequencies.

Explanation:

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Answer 2

Answer:

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The purpose of communications satellites is to relay the signal around the curve of the Earth allowing communication between widely separated geographical points. Communications satellites use a wide range of radio and microwave frequencies.

Explanation: