Thursday, July 14, 2011

Television

Television is not only a source of entertainment, but it also a source of news and information. It is also a valuable tool for science, education, and industry. Television can show a lesson to thousands of students at once. Television allows us to watch over the battle or the spread of contageous diseases from a safe distance.

A television station may provide a satisfactory picture for a distance of only 50 miles or so its antenna. But many stations can be linked in a network making it possible for people all over a large country, like Indonesia, to watch a particular programme at the same time.

Some communities have poor reception or none at all. Distance maybe the reason or mountains may block the signals. Artificial satellites are used to carry television arround the world. Today internationally owned Intelsat provide worldwide television.

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