Satellite TV is TV broadcasts delivered via a satellite that is in geostationary orbit 22,000 miles above the Earth. This means that the satellite can maintain its position above a certain place e.g. the ASTRA satellites provide services over Europe.
Signals are beamed up to the satellite from an Earth station, then relayed back down again to be received by a dish.
Satellites can deliver both analogue and digital services, but the benefits of digital transmission have given rise to a move away from analogue.
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Mr.Shashi kiran
- skiranks
- bangalore, India
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