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BBC Radio 5 Sports Extra (formerly BBC Radio 5 Live Sports Extra) is a British digital radio station owned and operated by the BBC, and specialising in extended live sports coverage. It is a sister station to BBC Radio 5 Live and shares facilities, presenters and management, and is a department of the BBC North Group division.
The success of Radio 4 News FM during the first Gulf War (1991) led the BBC to propose the launch of a rolling-news service. Initially the plan was to broadcast a rolling news service on BBC Radio 4's long wave frequency; but this met with considerable opposition, both internally and externally, [4] so the BBC decided to close BBC Radio 5 and replace the old service's educational and children ...
A signal strength and readability report is a standardized format for reporting the strength of the radio signal and the readability (quality) of the radiotelephone (voice) or radiotelegraph (Morse code) signal transmitted by another station as received at the reporting station's location and by their radio station equipment. These report ...
Radio waves are defined by the ITU as: "electromagnetic waves of frequencies arbitrarily lower than 3000 GHz, propagated in space without artificial guide". [5] At the high frequency end the radio spectrum is bounded by the infrared band. The boundary between radio waves and infrared waves is defined at different frequencies in different ...
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The electromagnetic spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength. The spectrum is divided into separate bands, with different names for the electromagnetic waves within each band. From low to high frequency these are: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and ...
The Smith chart (sometimes also called Smith diagram, Mizuhashi chart (水橋チャート), Mizuhashi–Smith chart (水橋スミスチャート), [1] [2] [3] Volpert–Smith chart (Диаграмма Вольперта—Смита) [4] [5] or Mizuhashi–Volpert–Smith chart), is a graphical calculator or nomogram designed for electrical and electronics engineers specializing in radio ...
BBC Radio 5 Sports Extra (until 2022 BBC Radio 5 Live Sports Extra), a BBC digital radio service Topics referred to by the same term This disambiguation page lists articles associated with the title BBC Radio 5 .