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A satellite dish is an antenna designed to focus on a specific broadcast source. The standard dish consists of a parabolic (bowl-shaped) surface and a central feed horn. A master sends it via the horn, and the dish focuses the signal into a relatively narrow beam.
A restricted beam is generated as the dish reflects vigor from the feed horn.
The dish on the receiving end can only receive information; it cannot transmit information. The receiving dish goes in the accurate inverse direction of the transmitter. When a beam hits the curved dish, the parabola fashion reflects the radio signal inward onto a particular point, equitable like a concave mirror focuses light onto a particular point.
The curved dish focuses incoming radio waves onto the feed horn.
The feed horn then passes the signal onto the receiving equipment. Ideally, there ambition be not obstructions, such for trees to interfere with the whistle from the satellite to the satellite dish. With no hindrances you receive a many clearer semaphore.
Some systems are set up to receive signals from more than an satellite. A current dish design uses two alternatively more horns to elect up alter satellite signals. As the beams from different satellites kick the curved dish, they reflect by different angles so that one beam hits one of the horns and dissimilar beam hits a different horn.
The chief factor in the feed horn namely the LNB (cheap ruckus blockdown converter) The LNB amplifies the radio signal bouncing off the dish and filters out the clamor (radio signals no carrying programming). The LNB passes the amplified, filtered signal to the satellite recipient inside the viewer's house.
A cable is escape from the satellite dish into the house and then connects to the satellite TV receiver (dark carton) accordingly completing the linkage.
By Gary Davis
Dish-Network-Satellite-TV.ws
Webmasters: You may reprint this treatise in its entirety, providing you depart the Byline and About the Author partitions intact, including the links to Dish Network Satellite television.
About The Author
This article was posted aboard February 06, 2005
Gary Davis is the employer of Dish Network Satellite TV,[link widoczny dla zalogowanych], has several years experience in the Satellite TV Industry and has written numerous articles almost satellite TV.
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