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Satellite tv is talked about so much in the world of consumer viewing. Satellite dishes, receivers, program packages, PVRs, DVRs, HDTV – what does it all mean? How can you even begin to think of buying a satellite tv system when you’re bombarded with all these meaningless terms? So suppose you really knew exactly how satellite tv works? Wouldn’t that put you in a more positive position? Wouldn’t that allow you to make an informed decision when shopping for a satellite tv system?
There are many pages on the Internet explaining how satellite tv works. Many have a lot of technical information. We’d like to take a simpler approach. So, the following is an explanation of just how satellite tv works – in layman’s terms. Take note – and you can secure some useful knowledge.
The Basics
Satellite tv is a wireless system for delivering tv programming directly to a viewer’s house. It transmits its broadcasts via a radio signal.
The ultimate source of this radio signal is the broadcast stations. They use a powerful antenna to transmit their broadcasts to the viewers. However, these radio signals can travel only in straight lines. So the signal can’t be captured by the viewer on his receiver unless he is in the line of sight of the broadcaster’s signal. Tall buildings, trees, and other such obstructions, can’t block the signal, but it could be blocked by the curvature of the Earth. Therefore, broadcasters needed another medium to transmit their signals to the viewers. Enter satellites.
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