Satellite And Terrestrial Television Transmission

Terrestrial television is a type of television broadcasting in which the television signal is transmitted by radio waves from the terrestrial earth based transmitter of a television station to a tv receiver having an antenna the term terrestrial is more common in europe and latin america while in the united states it is called broadcast or over the air television ota.

Satellite and terrestrial television transmission.

Terrestrial television broadcasting dates back to the very beginnings of television as a medium itself with the first long distance public television broadcast from washington d c on april 7 1927. We transmit terrestrial television and radio programming to eutelsat 16a from our satellite centre at deanovec. The purpose of this standard is to define the transmission system for digital terrestrial television broadcasting among various types of standard television broadcasting handled by broadcasting stations. 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.

Terrestrial television is a term which refers to modes of television broadcasting which do not involve satellite transmission. Satellite cable delivery has been the standard for many years. Next a subscriber s outdoor satellite dish will pick up the broadcast signal and transmit it to the satellite receiver located inside of a home. 1 2 scope this standard applies to digital terrestrial television broadcasting using uhf and vhf bands.

A satellite receiver then decodes the desired television program for viewing. Satellite television like other communications relayed by satellite starts with a transmitting antenna located at an uplink facility which has very large uplink satellite dishes as much as 9 to 12 metres. Depending on your location and goals one or both may be the best option for your delivery. A satellite receiver then completes the information transmission by processing the signal and passing it on to a viewer s television set.

But transmission cost in a satellite system is independent of the distance within the area of coverage of the satellite antenna while in terrestrial system it varies based on the distance. It provides users with a range of channels and services often to areas that are not serviced by terrestrial or cable providers. However recently content delivery via terrestrial fiber has started to shake up the industry. The signals are digital and encrypted to protect their system and content from being accessed without paying.

In a satellite link delay from earth to satellite to earth is about 240ms while in terrestrial link it will be far less. The term is uncommon in the united states and more common in europe.