How are television programs broadcast via satellites? Detailed answer

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How are television programs broadcast via satellites? Detailed answer

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How are television programs broadcast via satellites?

An artificial satellite is a man-made spacecraft orbiting the Earth. Such satellites are launched into space for various purposes. Satellites can vary in size from small to huge balls. They can weigh from a few kilograms to many tons. They can be of various shapes: in the form of a ball, a hatbox, a tin can, a water buoy and a cigar box. The orbits of some satellites pass only 176 kilometers from the Earth. Others rotate at a distance of 35 kilometers from it.

The orbit of the satellite is calculated by scientists in advance, depending on its purpose. All satellites require electrical energy for the normal functioning of the equipment installed on them. The main source of this energy is the Sun. On the surface of the satellites are mounted many solar panels that convert sunlight into electricity. From this electricity, the batteries of the satellite are charged.

Radio and television signals can be transmitted from continent to continent via communications satellites. Most communication satellites have receivers and transmitters. The receivers pick up radio and TV programs from ground stations. Electronic devices amplify television and radio broadcast signals. Transmitters then send these signals to distant ground stations, which may be on another continent.

An example of such a satellite is Telstar. Telstar 1 was launched in the United States in July 1962. It made possible direct television broadcasts between the United States and Europe. One type of communication satellite moves in a stationary orbit around the Earth at a distance of 35 kilometers.

It takes a satellite twenty-four hours to complete this orbit, the same time it takes the Earth to rotate on its axis. Therefore, it turns out that the satellite is always in the same place above the Earth. One of the satellites of this type was named "Early Bird". Due to the fact that its orbit is so high, it can transmit signals over very long distances.

Author: Likum A.

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The Church of Satan, founded by Anton Szandor LaVey and an officially registered religious organization in the United States and some other countries, does not deify Satan or the Devil, and does not even aim to believe in them. According to the doctrine of the Church, everyone is his own "god", and Satanism begins with atheism.

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