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In 1981, United Video Satellite Group launched the first EPG service in North America, a cable channel known simply as The Electronic Program Guide. It allowed cable systems in the United States and Canada to provide on-screen listings to their subscribers 24 hours a day (displaying programming information up to 90 minutes in advance) on a ...
Sutton Coldfield. / 52.60056°N 1.83389°W / 52.60056; -1.83389. The Sutton Coldfield transmitting station is a broadcasting and telecommunications facility located in Sutton Coldfield, Birmingham, England. In terms of population covered, it is the third most important transmitter in the UK, after Crystal Palace in London and Winter ...
However, the transition to digital television was set back three times: first to December 31, 2008, then to February 17, 2009, and then finally to June 12, 2009. [ 12] All U.S. full-power analog TV broadcasts were required by law to end on June 12, 2009. [ 13]
The upper antenna is a Yagi design. UHF television broadcasting is the use of ultra high frequency (UHF) radio for over-the-air transmission of television signals. UHF frequencies are used for both analog and digital television broadcasts. UHF channels are typically given higher channel numbers, like the US arrangement with VHF channels ...
A television antenna, also called a television aerial (in British English ), is an antenna specifically designed for use with a television receiver (TV) to receive terrestrial over-the-air (OTA) broadcast television signals from a television station. Terrestrial television is broadcast on frequencies from about 47 to 250 MHz in the very high ...
The terrestrial analogue services themselves were in most cases unique when compared to most non-analogue broadcast services (such as those available via digital satellite), in that they are much older, contain a much more diverse range of programming, rather than centring on a specific genre (all five major stations carry news bulletins, for example) and all hold some form of public service ...
Noise temperature (antenna) In radio frequency (RF) applications such as radio, radar and telecommunications, noise temperature of an antenna is a measure of the noise power density contributed by the antenna to the overall RF receiver system. It is defined as "the temperature of a resistor having an available thermal noise power per unit ...
These regional channels are licensed by Ofcom under the Local Digital Television Programme, [43] with That's TV currently broadcasting as a semi-national network (one which also uses the That's Christmas/That's New Year name over festive periods) with local opt-outs and a service streaming to the whole country via the VisionTV platform on channel 264 and as That's TV Gold on Freeview channel 91.