| Satellite television is very popular in the United | | | | TV satellite dish picks up these signals and |
| States. It is seen as a vast improvement from | | | | transfers this to the satellite receiver. Lastly, the |
| the traditional broadcast television. Aside from | | | | satellite receiver processes the information and |
| having access to hundreds of television channels in | | | | forwards it to a standard television. |
| one sitting, satellite television also offers more | | | | A common TV satellite dish has a parabolic or |
| improved quality of picture and sound. Most | | | | surface that's shaped like bowl and a feed horn at |
| households encounter problems with signal | | | | the center. When a signal is transmitted, it is sent |
| reception for broadcast television. Usually, this is | | | | through the horn and reflected by parabolic dish. |
| due to the distance from the source of broadcast | | | | The TV satellite dish is focused to the direction |
| and obstruction along the direct line of sight of | | | | where the signal will be transmitted. These signals |
| broadcast stations. This problem is remedied by | | | | are usually sent through a narrow beam. The |
| the use of satellite television providers of satellites | | | | transmitted signal is received by satellite dish of |
| that are launched into geostationary orbit. These | | | | the signal destination. A receiving TV satellite dish |
| satellites receive signals from broadcast stations | | | | can no longer resend any signal that it picks up. |
| and transmit them back to Earth. These signals | | | | The narrow beam, which the signal hits the |
| are received and picked up by a TV satellite dish. | | | | curved fraction of the satellite dish, is then |
| To have a better understanding of how satellite | | | | reflected to the feed horn. The latter, in turn, |
| television works one should be familiar about how | | | | passes this information to a receiver. |
| a direct-to-home (DTH) satellite system operates. | | | | However, the process previously mentioned does |
| This satellite system makes it possible for a | | | | not always take place. In some cases, a TV |
| person to receive satellite TV signals right at his | | | | satellite dish is required by its system to receive |
| own home. A DTH system is consists of five | | | | signals from 2 or more satellites simultaneously. |
| components and these are: the broadcast center, | | | | This is especially true when the transmitting |
| the programming source, the TV satellite dish, the | | | | satellites are too near each other making it |
| satellite and the satellite receiver. | | | | possible for one feed horn to receive signals from |
| Programming sources refer to the channels that | | | | both. When this happens, the quality of the signal |
| offer television programs that will be broadcasted. | | | | is somewhat diminished. To rectify this problem, a |
| They are not necessarily the ones who created | | | | new TV satellite dish model has been developed. |
| these programs but they have the acquired right | | | | This model has two feed horns that can pick up |
| to broadcast programs through satellite. The | | | | signals from multiple sources. A feed horn has a |
| broadcast center is where a satellite television | | | | low noise blockdown (LNB) converter that |
| provider picks up signals from programming | | | | removes noise from a signal received. The filtered |
| sources and transmits these signals to satellites. | | | | signal is then passed on to the corresponding |
| Satellites then, retransmit these signals to Earth. A | | | | satellite receiver. |