Advancements In Satellite Communication…

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 Satellites have evolutionized communication. Satellite communication has served mankind in many ways for instance its is used to predict  weather and broadcast storm warnings and also provides a wide range of communication services in the fields of relaying television programs, digital data for a multitude of business
services. It might not surprise us if, in near future satellite links are used for voice and fax transmission to aircraft on international routes.

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In this present era, communication plays a vital role. We use a wide
range of devices to communicate between two persons placed at different places (irrespective of the distance between them). Any earth-orbiting spacecraft that provides communication over long distances by reflecting or relaying radio-frequency signals. Satellites have evolutionized communication by making worldwide telephone
links and live broadcasts common occurrences. A satellite receives a microwave signal from a ground station on the earth (the uplink), then amplifies and retransmits the signal back to a receiving station or stations on earth at a different frequency (the downlink).

Aleem Siddiqui

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