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Satellite television has a solution for this, they launch their satellites high enough in the air so that the earth’s curvature isn’t a problem, and the satellite is placed at a specific point in space so that it rotates in sync with the earth. This means that if done correctly, you should only have to position your dish once to point it at the satellite because it is essentially the same distance and position to your house.
Satellite can also go where cable can not, when you get into a mountainous region you will see that every home, or most every home, has a dish mounted upon their roofs. This is because cable companies can’t get their signal though the mountains.
There are five major components in a Direct to Home AKA DTH satellite system. There is the programming source, which is simply the network that provides the programming for the broadcast, they will then send the information to the broadcast center. The broadcast center is the center of operations for the system, they receive all of the programming and send a broadcast signal to the satellites in geostationary orbit. The satellites then receive the information and rebroadcast them down to earth. The subscribers dish will pick up these signals and send them to the receiver which descrambles the signal, then it takes the digital MPEG-2 format signal and converts it into an analog format so that your television can recognize the signal and it is then displayed upon your television screen.
Technology has advanced very far since satellite was first released, so satellite television has become even more mainstream and is widely used because it is often less expensive than cable television, and normally has a wider array of channels and features than cable television does.
Written by David Johnson. Find more information on the latest
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