10 Facts About Satellite television

Satellite television is a service that delivers television programming to viewers by relaying it from a communications satellite orbiting the Earth directly to the viewer's location.

Free-to-view channels are encrypted but not charged-for, while pay Satellite television requires the viewer to subscribe and pay a monthly fee to receive the programming.

Original C-band satellite television systems used a low-noise amplifier connected to the feedhorn at the focal point of the dish.

The LNB amplifies the weak signals, filters the block of frequencies in which the satellite television signals are transmitted, and converts the block of frequencies to a lower frequency range in the L-band range.

Analog television which was distributed via satellite was usually sent scrambled or unscrambled in NTSC, PAL, or SECAM television broadcast standards.

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The first national network of television satellites, called Orbita, was created by the Soviet Union in October 1967, and was based on the principle of using the highly elliptical Molniya satellite for rebroadcasting and delivering of television signals to ground downlink stations.

The first commercial North American satellite to carry television transmissions was Canada's geostationary Anik 1, which was launched on 9 November 1972.

Satellite television industry developed first in the US from the cable television industry as communication satellites were being used to distribute television programming to remote cable television headends.

Early satellite television systems were not very popular due to their expense and large dish size.

Satellite television had developed in Europe but it initially used low power communication satellites and it required dish sizes of over 1.