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Radio broadcasting

Index Radio broadcasting

Radio broadcasting is transmission by radio waves intended to reach a wide audience. [1]

146 relations: Advertising, AM broadcasting, AM stereo, Americas, Amplitude modulation, Analog recording, Anode, Antenna (radio), Audience, Audion, Automation, Band-stop filter, BBC, BBC World Service, Bob Carver, Broadcast license, Broadcast programming, Broadcast syndication, Buenos Aires, Cable radio, California, Call sign, Campus radio, Canada, Carl Hausman, Cathode, Charles Herrold, Chelmsford, Christmas Eve, CINW, Clear-channel station, Commercial broadcasting, Communication channel, Community radio, Computer, Consortium, Crystal detector, Crystal radio, Czech Radio, Detector (radio), Detroit, Deutsche Welle, Digital audio, Digital audio broadcasting, Digital radio, Digital Radio Mondiale, Disc jockey, East Pittsburgh, Pennsylvania, Edwin Howard Armstrong, Electromagnetic interference, ..., Empire of the Air: The Men Who Made Radio, Europe, Federal Communications Commission, Fleming valve, FM broadcasting, Frank Conrad, Frequency modulation, Germany, Global Positioning System, HD Radio, Hertz, History of broadcasting, Hospital radio, IBiquity, In-band on-channel, International broadcasting, Internet, Internet radio, Ionosphere, Japan, John Ambrose Fleming, KCBS (AM), KDKA (AM), Ken Burns, Lee de Forest, Lightning, Longwave, Low-power broadcasting, Marconi Research Centre, Medium wave, MobaHo!, Modulation, Montreal, Music, Nellie Melba, New England, Nielsen Audio, Non-commercial educational, Nonprofit organization, North America, Outline of radio, PCGG, Planning permission, Plate electrode, Public broadcasting, Public domain, Radio, Radio format, Radio frequency, Radio network, Radio personality, Radio propagation, Radio spectrum, Radio wave, Radio World, Radiotelephone, Rectifier, Reginald Fessenden, Religious broadcasting, Robert von Lieben, Royal charter, Russia, Satellite radio, Shortwave radio, Simulcast, Sirius Canada, Sirius Satellite Radio, Sirius XM Holdings, Soprano, Sound recording and reproduction, Sports commentator, Streaming media, Teatro Coliseo, Television network, Television station, Thermionic emission, Triode, United Kingdom, United States, United States presidential election, 1920, Vacuum tube, Very high frequency, Voice of America, Voice of Russia, Westinghouse Electric Corporation, Wilkinsburg, Pennsylvania, Wireless telegraphy, World War II, Writtle, WWJ (AM), XM Radio Canada, XM Satellite Radio, Yankee Network, 1worldspace, 2008 in North-American radio, 2MT. Expand index (96 more) »

Advertising

Advertising is an audio or visual form of marketing communication that employs an openly sponsored, non-personal message to promote or sell a product, service or idea.

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AM broadcasting

AM broadcasting is a radio broadcasting technology, which employs amplitude modulation (AM) transmissions.

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AM stereo

AM stereo is a term given to a series of mutually incompatible techniques for radio broadcasting stereo audio in the AM band in a manner that is compatible with standard AM receivers.

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Americas

The Americas (also collectively called America)"America." The Oxford Companion to the English Language.

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Amplitude modulation

Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.

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Analog recording

Analog recording (Greek, ana is "according to" and logos "relationship") is a technique used for the recording of analog signals which, among many possibilities, allows analog audio and analog video for later playback.

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Anode

An anode is an electrode through which the conventional current enters into a polarized electrical device.

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Antenna (radio)

In radio, an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.

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Audience

An audience is a group of people who participate in a show or encounter a work of art, literature (in which they are called "readers"), theatre, music (in which they are called "listeners"), video games (in which they are called "players"), or academics in any medium.

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Audion

The Audion was an electronic detecting or amplifying vacuum tube invented by American electrical engineer Lee de Forest in 1906.

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Automation

Automation is the technology by which a process or procedure is performed without human assistance.

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Band-stop filter

In signal processing, a band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels.

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BBC

The British Broadcasting Corporation (BBC) is a British public service broadcaster.

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BBC World Service

The BBC World Service, the world's largest international broadcaster, broadcasts radio and television news, speech and discussions in over 30 languages to many parts of the world on analogue and digital shortwave platforms, Internet streaming, podcasting, satellite, DAB, FM and MW relays.

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Bob Carver

Robert W. (Bob) Carver is an American designer of audio equipment based in the Pacific Northwest.

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Broadcast license

A broadcast license is a type of spectrum license granting the licensee permission to use a portion of the radio frequency spectrum in a given geographical area for broadcasting purposes.

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Broadcast programming

Broadcast programming is the practice of organizing and/or ordering of broadcast media programs (Internet, television, radio, etc.) in a daily, weekly, monthly, quarterly or season-long schedule.

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Broadcast syndication

Broadcasting syndication is the license to broadcast television programs and radio programs by multiple television stations and radio stations, without going through a broadcast network.

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Buenos Aires

Buenos Aires is the capital and most populous city of Argentina.

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Cable radio

Cable radio or cable FM is a concept similar to that of cable television, bringing radio signals into homes and businesses via coaxial cable.

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California

California is a state in the Pacific Region of the United States.

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Call sign

In broadcasting and radio communications, a call sign (also known as a call name or call letters—and historically as a call signal—or abbreviated as a call) is a unique designation for a transmitter station.

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Campus radio

Campus radio (also known as college radio, university radio or student radio) is a type of radio station that is run by the students of a college, university or other educational institution.

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Canada

Canada is a country located in the northern part of North America.

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Carl Hausman

Carl Hausman (born July 17, 1953) is Professor of Journalism at Rowan University and the author of several books about media ethics, journalism, and media technology.

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Cathode

A cathode is the electrode from which a conventional current leaves a polarized electrical device.

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Charles Herrold

Charles David "Doc" Herrold (November 16, 1875 – July 1, 1948) was an American inventor and pioneer radio broadcaster, who began experimenting with audio radio transmissions in 1909.

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Chelmsford

Chelmsford is the principal settlement of the City of Chelmsford district, and the county town of Essex, in the East of England.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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CINW

CINW was the final call sign used by an English language AM radio station located in Montreal, Quebec, which, along with French-language sister station CINF, ceased operations at 7:00 p.m. ET on January 29, 2010.

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Clear-channel station

A clear-channel station is an AM radio station in North America that has the highest protection from interference from other stations, particularly concerning night-time skywave propagation.

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Commercial broadcasting

Commercial broadcasting (also called private broadcasting) is the broadcasting of television programs and radio programming by privately owned corporate media, as opposed to state sponsorship.

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Communication channel

A communication channel or simply channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking.

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Community radio

Community radio is a radio service offering a third model of radio broadcasting in addition to commercial and public broadcasting.

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Computer

A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.

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Consortium

A consortium is an association of two or more individuals, companies, organizations or governments (or any combination of these entities) with the objective of participating in a common activity or pooling their resources for achieving a common goal.

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Crystal detector

A crystal detector is an obsolete electronic component in some early 20th century radio receivers that used a piece of crystalline mineral as a detector (demodulator) to rectify the alternating current radio signal to extract the audio modulation which produced the sound in the earphones.

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Crystal radio

A crystal radio receiver, also called a crystal set, is a simple radio receiver, popular in the early days of radio.

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Czech Radio

Český rozhlas (ČRo) is the public radio broadcaster of the Czech Republic, operating since 1923.

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Detector (radio)

In radio, a detector is a device or circuit that extracts information from a modulated radio frequency current or voltage.

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Detroit

Detroit is the most populous city in the U.S. state of Michigan, the largest city on the United States–Canada border, and the seat of Wayne County.

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Deutsche Welle

Deutsche Welle ("German wave" in German) or DW is Germany's public international broadcaster.

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Digital audio

Digital audio is audio, or simply sound, signal that has been recorded as or converted into digital form, where the sound wave of the audio signal is encoded as numerical samples in continuous sequence, typically at CD audio quality which is 16 bit sample depth over 44.1 thousand samples per second.

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Digital audio broadcasting

Digital audio broadcasting (DAB) is a digital radio standard for broadcasting digital audio radio services, used in many countries across Europe, Asia, and the Pacific.

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Digital radio

Digital radio is the use of digital technology to transmit and/or receive across the radio spectrum.

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Digital Radio Mondiale

Digital Radio Mondiale (DRM; mondiale being Italian and French for "worldwide") is a set of digital audio broadcasting technologies designed to work over the bands currently used for analogue radio broadcasting including AM broadcasting, particularly shortwave, and FM broadcasting.

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Disc jockey

A disc jockey, often abbreviated as DJ, is a person who plays existing recorded music for a live audience.

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East Pittsburgh, Pennsylvania

East Pittsburgh is a borough in Allegheny County, Pennsylvania, about southeast of the confluence of the Monongahela and the Allegheny rivers at Pittsburgh.

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Edwin Howard Armstrong

Edwin Howard Armstrong (December 18, 1890 – February 1, 1954) was an American electrical engineer and inventor, best known for developing FM (frequency modulation) radio and the superheterodyne receiver system.

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Electromagnetic interference

Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.

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Empire of the Air: The Men Who Made Radio

Empire of the Air: The Men Who Made Radio is a non-fiction book by Tom Lewis, a history of radio in the United States, published by HarperCollins in 1991.

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Europe

Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

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Federal Communications Commission

The Federal Communications Commission (FCC) is an independent agency of the United States government created by statute (and) to regulate interstate communications by radio, television, wire, satellite, and cable.

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Fleming valve

The Fleming valve, also called the Fleming oscillation valve, was a thermionic valve or vacuum tube invented in 1904 by Englishman John Ambrose Fleming as a detector for early radio receivers used in electromagnetic wireless telegraphy.

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FM broadcasting

FM broadcasting is a method of radio broadcasting using frequency modulation (FM) technology.

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Frank Conrad

Frank Conrad (May 4, 1874 – December 10, 1941) was an electrical engineer, best known for radio development, including his work as a pioneer broadcaster.

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Frequency modulation

In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.

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Germany

Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.

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Global Positioning System

The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.

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HD Radio

HD Radio is a trademarked term for iBiquity's in-band on-channel (IBOC) digital radio technology used by AM and FM radio stations to transmit audio and data by using a digital signal embedded "on-frequency" immediately above and below a station's standard analog signal, providing the means to listen to the same program in either HD (digital radio with less noise) or as a standard broadcast (analog radio with standard sound quality).

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Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

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History of broadcasting

The first broadcasting of a radio transmission consisted of Morse code (or wireless telegraphy) was made from a temporary station set up by Guglielmo Marconi in 1895.

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Hospital radio

Hospital radio is a form of audio broadcasting produced specifically for the in-patients of hospitals, primarily in the United Kingdom.

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IBiquity

iBiquity Digital Corporation is a company formed by the merger of USA Digital Radio and Lucent Digital Radio, with the goal of creating an in-band on-channel (IBOC) digital radio system for the United States and around the world.

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In-band on-channel

In-band on-channel (IBOC) is a hybrid method of transmitting digital radio and analog radio broadcast signals simultaneously on the same frequency.

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International broadcasting

International broadcasting is broadcasting that is deliberately aimed at a foreign, rather than a domestic, audience.

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Internet

The Internet is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide.

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Internet radio

Internet radio (also web radio, net radio, streaming radio, e-radio, IP radio, online radio) is a digital audio service transmitted via the Internet.

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Ionosphere

The ionosphere is the ionized part of Earth's upper atmosphere, from about to altitude, a region that includes the thermosphere and parts of the mesosphere and exosphere.

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Japan

Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.

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John Ambrose Fleming

Sir John Ambrose Fleming FRS (29 November 1849 – 18 April 1945), an English electrical engineer and physicist, invented the first thermionic valve or vacuum tube, and also established the left-hand rule for electric motors.

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KCBS (AM)

KCBS (740 AM) is an all-news radio station located in San Francisco, California, which serves as the West Coast flagship station for the CBS Radio Network.

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KDKA (AM)

KDKA (1020 kHz AM) is a Class A (clear channel) radio station, owned and operated by Entercom and licensed to Pittsburgh, Pennsylvania.

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Ken Burns

Kenneth Lauren Burns (born July 29, 1953) is an American filmmaker, known for his style of using archival footage and photographs in documentary films.

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Lee de Forest

Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor, self-described "Father of Radio", and a pioneer in the development of sound-on-film recording used for motion pictures.

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Lightning

Lightning is a sudden electrostatic discharge that occurs typically during a thunderstorm.

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Longwave

In radio, longwave, long wave or long-wave, and commonly abbreviated LW, refers to parts of the radio spectrum with wavelengths longer than what was originally called the medium-wave broadcasting band.

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Low-power broadcasting

Low-power broadcasting refers to a broadcast station operating at a low electrical power to a smaller service area than "full power" stations within the same region, but often distinguished from "micropower broadcasting" (more commonly "microbroadcasting") and broadcast translators.

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Marconi Research Centre

Marconi Research Centre is the former name of the current BAE Systems Applied Intelligence Laboratories facility at Great Baddow in Essex, United Kingdom.

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Medium wave

Medium wave (MW) is the part of the medium frequency (MF) radio band used mainly for AM radio broadcasting.

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MobaHo!

was a mobile satellite digital audio/video subscription based broadcasting service in Japan, whose services began on 20 October 2004 and ended on March 31, 2009 at 3:00 pm Japan time.

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Modulation

In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.

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Montreal

Montreal (officially Montréal) is the most populous municipality in the Canadian province of Quebec and the second-most populous municipality in Canada.

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Music

Music is an art form and cultural activity whose medium is sound organized in time.

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Nellie Melba

Dame Nellie Melba GBE (born Helen Porter Mitchell; 19 May 186123 February 1931) was an Australian operatic soprano.

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New England

New England is a geographical region comprising six states of the northeastern United States: Maine, Vermont, New Hampshire, Massachusetts, Rhode Island and Connecticut.

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Nielsen Audio

Nielsen Audio (formerly Arbitron) is a consumer research company in the United States that collects listener data on radio broadcasting audiences.

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Non-commercial educational

The term non-commercial educational (NCE) applies to a radio station or TV station that does not accept on-air advertisements (TV ads or radio ads), as defined in the United States by the Federal Communications Commission (FCC).

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Nonprofit organization

A non-profit organization (NPO), also known as a non-business entity or non-profit institution, is dedicated to furthering a particular social cause or advocating for a shared point of view.

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North America

North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere; it is also considered by some to be a northern subcontinent of the Americas.

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Outline of radio

The following outline is provided as an overview of and topical guide to radio: Radio – transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light.

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PCGG

PCGG (also known as the Dutch Concerts station) was a radio station located at The Hague in the Netherlands, which began broadcasting a regular schedule of entertainment programmes on 6 November 1919.

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Planning permission

Planning permission or developmental approval refers to the approval needed for construction or expansion (including significant renovation) in some jurisdictions.

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Plate electrode

A plate, usually called anode in Britain, is a type of electrode that forms part of a vacuum tube.

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Public broadcasting

Public broadcasting includes radio, television and other electronic media outlets whose primary mission is public service.

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Public domain

The public domain consists of all the creative works to which no exclusive intellectual property rights apply.

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Radio

Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.

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Radio format

A radio format or programming format (not to be confused with broadcast programming) describes the overall content broadcast on a radio station.

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Radio frequency

Radio frequency (RF) refers to oscillatory change in voltage or current in a circuit, waveguide or transmission line in the range extending from around twenty thousand times per second to around three hundred billion times per second, roughly between the upper limit of audio and the lower limit of infrared.

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Radio network

There are two types of radio networks currently in use around the world: the one-to-many broadcast network commonly used for public information and mass media entertainment; and the two-way radio type used more commonly for public safety and public services such as police, fire, taxicabs, and delivery services.

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Radio personality

A radio personality (American English) or radio presenter (British English), commonly referred to as a "disc jockey" or "DJ" for short, is a person who has an on-air position in radio broadcasting.

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Radio propagation

Radio propagation is the behavior of radio waves as they travel, or are propagated, from one point to another, or into various parts of the atmosphere.

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Radio spectrum

The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3 000 GHz (3 THz).

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Radio wave

Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light.

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Radio World

Radio World is a trade journal published by NewBay Media targeted at radio broadcast executives and operations personnel worldwide.

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Radiotelephone

A radiotelephone (or radiophone) is a communications system for transmission of speech over radio.

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Rectifier

A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction.

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Reginald Fessenden

Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) was a Canadian-born inventor, who did a majority of his work in the United States and also claimed U.S. citizenship through his American-born father.

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Religious broadcasting

Religious broadcasting is broadcasting by religious organizations, usually with a religious message.

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Robert von Lieben

Robert von Lieben (September 5, 1878, Vienna – February 20, 1913, Vienna) was an Austrian physicist whose work contributed to the development of valve amplifiers.

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Royal charter

A royal charter is a formal document issued by a monarch as letters patent, granting a right or power to an individual or a body corporate.

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Russia

Russia (rɐˈsʲijə), officially the Russian Federation (p), is a country in Eurasia. At, Russia is the largest country in the world by area, covering more than one-eighth of the Earth's inhabited land area, and the ninth most populous, with over 144 million people as of December 2017, excluding Crimea. About 77% of the population live in the western, European part of the country. Russia's capital Moscow is one of the largest cities in the world; other major cities include Saint Petersburg, Novosibirsk, Yekaterinburg and Nizhny Novgorod. Extending across the entirety of Northern Asia and much of Eastern Europe, Russia spans eleven time zones and incorporates a wide range of environments and landforms. From northwest to southeast, Russia shares land borders with Norway, Finland, Estonia, Latvia, Lithuania and Poland (both with Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia and North Korea. It shares maritime borders with Japan by the Sea of Okhotsk and the U.S. state of Alaska across the Bering Strait. The East Slavs emerged as a recognizable group in Europe between the 3rd and 8th centuries AD. Founded and ruled by a Varangian warrior elite and their descendants, the medieval state of Rus arose in the 9th century. In 988 it adopted Orthodox Christianity from the Byzantine Empire, beginning the synthesis of Byzantine and Slavic cultures that defined Russian culture for the next millennium. Rus' ultimately disintegrated into a number of smaller states; most of the Rus' lands were overrun by the Mongol invasion and became tributaries of the nomadic Golden Horde in the 13th century. The Grand Duchy of Moscow gradually reunified the surrounding Russian principalities, achieved independence from the Golden Horde. By the 18th century, the nation had greatly expanded through conquest, annexation, and exploration to become the Russian Empire, which was the third largest empire in history, stretching from Poland on the west to Alaska on the east. Following the Russian Revolution, the Russian Soviet Federative Socialist Republic became the largest and leading constituent of the Union of Soviet Socialist Republics, the world's first constitutionally socialist state. The Soviet Union played a decisive role in the Allied victory in World War II, and emerged as a recognized superpower and rival to the United States during the Cold War. The Soviet era saw some of the most significant technological achievements of the 20th century, including the world's first human-made satellite and the launching of the first humans in space. By the end of 1990, the Soviet Union had the world's second largest economy, largest standing military in the world and the largest stockpile of weapons of mass destruction. Following the dissolution of the Soviet Union in 1991, twelve independent republics emerged from the USSR: Russia, Ukraine, Belarus, Kazakhstan, Uzbekistan, Armenia, Azerbaijan, Georgia, Kyrgyzstan, Moldova, Tajikistan, Turkmenistan and the Baltic states regained independence: Estonia, Latvia, Lithuania; the Russian SFSR reconstituted itself as the Russian Federation and is recognized as the continuing legal personality and a successor of the Soviet Union. It is governed as a federal semi-presidential republic. The Russian economy ranks as the twelfth largest by nominal GDP and sixth largest by purchasing power parity in 2015. Russia's extensive mineral and energy resources are the largest such reserves in the world, making it one of the leading producers of oil and natural gas globally. The country is one of the five recognized nuclear weapons states and possesses the largest stockpile of weapons of mass destruction. Russia is a great power as well as a regional power and has been characterised as a potential superpower. It is a permanent member of the United Nations Security Council and an active global partner of ASEAN, as well as a member of the G20, the Shanghai Cooperation Organisation (SCO), the Council of Europe, the Asia-Pacific Economic Cooperation (APEC), the Organization for Security and Co-operation in Europe (OSCE), and the World Trade Organization (WTO), as well as being the leading member of the Commonwealth of Independent States (CIS), the Collective Security Treaty Organization (CSTO) and one of the five members of the Eurasian Economic Union (EEU), along with Armenia, Belarus, Kazakhstan and Kyrgyzstan.

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Satellite radio

Satellite radio is defined by the International Telecommunication Union (ITU)'S ITU Radio Regulations (RR) as a broadcasting-satellite service.

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Shortwave radio

Shortwave radio is radio transmission using shortwave radio frequencies.

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Simulcast

Simulcast, a portmanteau of simultaneous broadcast, is the broadcasting of programs or events across more than one medium, or more than one service on the same medium, at exactly the same time (that is, simultaneously).

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Sirius Canada

Sirius Canada was a Canadian company, a partnership between Slaight Communications, the Canadian Broadcasting Corporation and Sirius Satellite Radio, which was one of three services licensed by the CRTC on June 16, 2005 to introduce satellite radio service to Canada.

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Sirius Satellite Radio

Sirius Satellite Radio was a satellite radio (SDARS) and online radio service operating in North America, owned by Sirius XM Holdings.

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Sirius XM Holdings

Sirius XM Satellite Radio is an American broadcasting company that provides three satellite radio and online radio services operating in the United States: Sirius Satellite Radio, XM Satellite Radio, and Sirius XM Radio.

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Soprano

A soprano is a type of classical female singing voice and has the highest vocal range of all voice types.

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Sound recording and reproduction

Sound recording and reproduction is an electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects.

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Sports commentator

In sports broadcasting, a sports commentator (also known as sports announcer, sportscaster or play-by-play announcer) gives a running commentary of a game or event in real time, usually during a live broadcast, traditionally delivered in the historical present tense.

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Streaming media

Streaming media is multimedia that is constantly received by and presented to an end-user while being delivered by a provider.

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Teatro Coliseo

The Teatro Coliseo is a theatre in Retiro neighbourhood in Buenos Aires, Argentina which opened on July 8, 1905.

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Television network

A television network is a telecommunications network for distribution of television program content, whereby a central operation provides programming to many television stations or pay television providers.

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Television station

A television station is a set of equipment managed by a business, organisation or other entity, such as an amateur television (ATV) operator, that transmits video content via radio waves directly from a transmitter on the earth's surface to a receiver on earth.

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Thermionic emission

Thermionic emission is the thermally induced flow of charge carriers from a surface or over a potential-energy barrier.

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Triode

A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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United States presidential election, 1920

The United States presidential election of 1920 was the 34th quadrennial presidential election, held on Tuesday, November 2, 1920.

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Vacuum tube

In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.

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Very high frequency

Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten to one meter.

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Voice of America

Voice of America (VOA) is a U.S. government-funded international radio broadcast source that serves as the United States federal government's official institution for non-military, external broadcasting.

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Voice of Russia

The Voice of Russia (r), commonly abbreviated VOR, was the Russian government's international radio broadcasting service from 1993 until 2014, when it was reorganised as Radio Sputnik.

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Westinghouse Electric Corporation

The Westinghouse Electric Corporation was an American manufacturing company.

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Wilkinsburg, Pennsylvania

Wilkinsburg is a borough in Allegheny County, Pennsylvania, United States adjacent to the city of Pittsburgh.

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Wireless telegraphy

Wireless telegraphy is the transmission of telegraphy signals from one point to another by means of an electromagnetic, electrostatic or magnetic field, or by electrical current through the earth or water.

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World War II

World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.

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Writtle

The village and civil parish of Writtle lies west of Chelmsford, Essex, England.

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WWJ (AM)

WWJ, 950 kHz (a regional broadcast frequency), is an all-news AM radio station located in Detroit, Michigan.

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XM Radio Canada

XM Radio Canada was the operating name of Canadian Satellite Radio Holdings Inc. (or "CSR"), a Canadian communications and media company, which was incorporated in 2002 to broadcast satellite radio in Canada.

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XM Satellite Radio

XM Satellite Radio (XM) was one of the three satellite radio (SDARS) and online radio services in the United States and Canada, operated by Sirius XM Holdings.

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Yankee Network

For the radio network of the New York Yankees, see New York Yankees Radio Network.

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1worldspace

1worldspace, known for most of its existence simply as 'WorldSpace', is a defunct satellite radio network that in its heyday provided service to over 170,000 subscribers in eastern and southern Africa, the Middle East, and much of Asia with 96% coming from India.

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2008 in North-American radio

---- Several events occurred in radio in 2008.

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2MT

2MT was the first British radio station to make regular entertainment broadcasts, and the world's first regular wireless broadcast for entertainment.

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Redirects here:

AM stations, Broadcast radio, Commercial FMs, Radio Broadcast, Radio Broadcasting, Radio Station, Radio Stations, Radio broadcast, Radio broadcaster, Radio broadcasts.

References

[1] https://en.wikipedia.org/wiki/Radio_broadcasting

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