Explain Satellite briefly?

Explain Satellite briefly?


In general, a satellite is anything that orbits something else, for example the moon orbits the earth.

A communications satellite is a specialized wireless receiver/transmitter that receives radio waves from one location and transmits them to another.In satellite communication, signal transferring between the sender and receiver is done with the help of satellite. In this process, the signal which is basically a beam of modulated microwaves is sent towards the satellite. Then the satellite amplifies the signal and sent it back to the receiver’s antenna present on the earth’s surface. So, all the signal transferring is happening in space. Thus this type of communication is known as space communication.

There are hundreds of satellites currently in operation. They are used for such diverse purposes as weather forecasting, television broadcast, amateur radio communications, Internet communications, and the Global Positioning System, (GPS).

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