Write 5 points on the role of satellites in
communication.?
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1) Satellite communications play a vital role in the global telecommunications system.
2) Approximately 2,000 artificial satellites orbiting Earth relay analog and digital signals carrying voice, video, and data to and from one or many locations worldwide.
3) The purpose of communications satellites is to relay the signal around the curve of the Earth allowing communication between widely separated geographical points.
4) Communications satellites use a wide range of radio and microwave frequencies.
5) Satellite sensors gather information about weather, landforms, oceans, vegetation, land use, and other things.
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