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Committee on Radio Frequency

См. также в других словарях:

  • Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …   Wikipedia

  • High-energy radio-frequency weapons — (HERF) or High Power Radio Frequency weapons (HPRF) are weapons that use high intensity radio waves to disrupt electronics. They are a type of directed energy weapon. They operate similarly to electromagnetic pulse (EMP) devices, by inducing… …   Wikipedia

  • Frequency (radio station) — Infobox Radio Station name = Frequency 1350 city = Preston, Lancashire area = UK: Preston MW Online | branding = slogan = Your Student Station airdate = Late 2001 frequency = MW: 1350 MHz share = 0.000000000000000000000000000000000000001% share… …   Wikipedia

  • Frequency allocation — The electromagnetic spectrum is an aspect of the physical world which, like land, water, and air, is subject to usage limitations. Use of radio frequency bands of the electromagnetic spectrum is regulated by governments in most countries, in a… …   Wikipedia

  • Radio propagation model — A radio propagation model, also known as the Radio Wave Propagation Model or the Radio Frequency Propagation Model , is an empirical mathematical formulation for the characterization of radio wave propagation as a function of frequency, distance… …   Wikipedia

  • Radio Data System — The RDS Logo Radio Data System, or RDS, is a communications protocol standard for embedding small amounts of digital information in conventional FM radio broadcasts. RDS standardises several types of information transmitted, including time,… …   Wikipedia

  • Radio Canada International — Infobox Network name = Radio Canada International country = Canada network type = Radio network available = International owner = Canadian Broadcasting Corporation key people = launch date = February 25, 1945 past names = CBC International… …   Wikipedia

  • Radio Glamorgan — Infobox Radio station name = Radio Glamorgan Based in = Cardiff area = University Hospital of Wales branding = slogan = Helping You Get Better airdate = April 1967 frequency = Channel 1 format = Patientline power = erp = haat = class = facility… …   Wikipedia

  • Walsall Hospital Radio — Radio station name = Walsall Hospital Radio frequency = Closed Wire System airdate = 18 March 1978 area = Walsall Manor Hospital format = Hospital Radio city = Walsall website = [http://www.walsall hr.co.uk www.walsall hr.co.uk] owner = Walsall… …   Wikipedia

  • Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …   Wikipedia

  • Two-way radio — receiver which only receives content. Two way radios are available in mobile, stationary base and hand held portable configurations. Hand held radios are often called walkie talkies or handie talkies. A push to talk or Press To Transmit button is …   Wikipedia

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