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The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of broadcasting.
AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave transmissions, but also on the longwave and shortwave radio bands.
The British Broadcasting Company Limited (BBC) was a short-lived British commercial broadcasting company formed on 18 October 1922 by British and American electrical companies doing business in the United Kingdom. Licensed by the British General Post Office, its original office was located on the second floor of Magnet House, the GEC buildings in London and consisted of a room and a small antechamber.
Lee de Forest was an American inventor and a fundamentally important early pioneer in electronics. He invented the first practical electronic amplifier, the three-element "Audion" triode vacuum tube in 1906. This helped start the Electronic Age, and enabled the development of the electronic oscillator. These made radio broadcasting and long distance telephone lines possible, and led to the development of talking motion pictures, among countless other applications.
It is generally recognized that the first radio transmission was made from a temporary station set up by Guglielmo Marconi in 1895 on the Isle of Wight. This followed on from pioneering work in the field by a number of people including Alessandro Volta, André-Marie Ampère, Georg Ohm and James Clerk Maxwell.
WJR is a commercial radio station in Detroit, Michigan, owned by Cumulus Media, with a news/talk radio format. Most of WJR's broadcast studios, along with its newsroom and offices, are in the Fisher Building in Detroit's New Center area. A tower atop the Fisher Building relays WJR's audio to the transmitter site, and at one time WJR-FM also used this tower. There is an additional satellite studio in the Wintergarden of the GM Renaissance Center in downtown Detroit.
WWJ is a commercial AM radio station licensed to serve Detroit, Michigan, featuring an all-news format known as "Newsradio 950 WWJ". Owned by Audacy, Inc., the station services Metro Detroit, is the market affiliate for CBS News Radio, and the flagship station for the Michigan Sports Network. Operating on a regional broadcast frequency, its studios are in the Panasonic Building in Southfield.
CINW was the final call sign used by an English language AM radio station in Montreal, Quebec, which, along with French-language sister station CINF, ceased operations at 7:00 p.m. ET on January 29, 2010. Owned and operated by Corus Quebec, it broadcast on 940 kHz with a full-time power of 50,000 watts as a clear channel, Class A station, using a slightly directional antenna designed to improve reception in downtown Montreal.
WXYT-FM is a commercial radio station in Detroit, Michigan, serving Metro Detroit and much of Southeast Michigan. It airs a sports radio format and is owned by Audacy, Inc. Its studios and offices are located in the nearby suburb of Southfield.
KDKA is a Class A, clear channel, AM radio station, owned and operated by Audacy, Inc. and licensed to Pittsburgh, Pennsylvania, United States. Its radio studios are located at the combined Audacy Pittsburgh facility in the Foster Plaza on Holiday Drive in Green Tree, and its transmitter site is at Allison Park. The station's programming is also carried over 93.7 KDKA-FM's HD2 digital subchannel, and is simulcast on FM translator W261AX at 100.1 MHz.
The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer to general history.
WRUC is an independent educational college radio station, owned and operated by Union College in Schenectady, New York. The station transmits with an effective radiated power of 100 watts, providing coverage over an approximate 15-mile radius. WRUC also streams its programming on Internet radio. The station's offices and studios are located in the Reamer Campus Center on the Union College campus.
1922 in radio details the internationally significant events in radio broadcasting for the year 1922.
PCGG was a radio station located at The Hague in the Netherlands, which began broadcasting a regular schedule of entertainment programmes on 6 November 1919. The station was established by engineer Hanso Idzerda, and is believed to have been Europe's first sustained broadcasting station, as well as one of the first stations in the world to transmit entertainment intended for a general audience.
1919 in radio details the internationally significant events in radio broadcasting for the year 1919.
WGI was an early radio broadcasting station, licensed to the American Radio and Research Corporation (AMRAD) of Medford Hillside, Massachusetts. WGI received its initial broadcasting license on February 7, 1922. However, the station had previously made regular broadcasts under an experimental license as 1XE, which were the first organized broadcasts in the Boston area.
KZY was a radio station located in Oakland, California, that was licensed to the Atlantic-Pacific Radio Supplies Company from December 9, 1921, until its deletion on January 24, 1923. It, and the Preston D. Allen station, KZM, were the first broadcasting stations licensed to Oakland.
Radio station 2XG, also known as the "Highbridge Station", was an experimental radio station located in New York City and licensed to the De Forest Radio Telephone and Telegraph Company from 1915 to 1917 and 1920 to 1924. In 1916, it became the first radio station employing a vacuum-tube transmitter to make news and entertainment broadcasts on a regular schedule, and, on November 7, 1916, became the first to broadcast U.S. presidential election returns by spoken word instead of by Morse code.
WMH was an AM radio station in Cincinnati, Ohio, which was licensed to the Precision Equipment Company from December 30, 1921, to December 11, 1923, although it ceased broadcasting in early January 1923. It was one of the first formally authorized broadcasting stations in the United States, and also the first licensed in the state of Ohio.
This is a list of events from British radio in 1920.
References
- 1 2 3 "From Radio-Telephone to Broadcasting", The Birth of Broadcasting by Asa Briggs, 1961. pp. 45–50.
- ↑ Father of Radio: The Autobiography of Lee de Forest, 1950, page 351: De Forest claimed that at the time he was informed that "there is no room in the ether for entertainment".
- ↑ "The Voice Around the World" by A. A. Hopkins, The Mentor, October 1920, page 38.
- ↑ "Radio Concerts" by Hugo Gernsback, Radio News, September 1920, page 133.
- ↑ "WWJ—Pioneer in Broadcasting" by Cynthia Boyes Young, Michigan History, December 1960 (Vol 44, No. 4), page 414.
- 1 2 3 Cox, Jim (2008). This Day in Network Radio: A Daily Calendar of Births, Debuts, Cancellations and Other Events in Broadcasting History. McFarland & Company, Inc. ISBN 978-0-7864-3848-8.
- ↑ "Ian Carmichael". British Comedy Guide. Retrieved 30 September 2021.
- ↑ "Steve Conway Biography, Songs, & Albums". AllMusic. Retrieved 23 September 2021.
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