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The timeline of radio lists within the history of radio, ... This is an early example of the coherer effect. [6] [7] ... The FM radio broadcast was introduced in Germany.
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.
Milestones in radio: the first half century (1895–1945). The UNESCO courier (February 1997), p. 16–21; Radio Review/Radio Listeners Guide (1925–1929), Broadcasting Yearbook (1935–2010), World Radio TV Handbook (1947–) Berg, Jerome S. The early shortwave stations: a broadcasting history through 1945 (2013) radioheritage.net
Radio broadcasting has been used in the United States since the early 1920s to distribute news and entertainment to a national audience. In 1923, 1 percent of U.S. households owned at least one radio receiver, while a majority did by 1931 and 75 percent did by 1937.
Radio was the first broadcast medium, and during this period people regularly tuned in to their favorite radio programs, and families gathered to listen to the home radio in the evening. According to a 1947 C. E. Hooper survey, 82 out of 100 Americans were found to be radio listeners. [ 1 ]
The history of broadcasting in Canada begins as early as 1919 with the first experimental broadcast programs in Montreal. The Canadians were swept up in the radio craze and built crystal sets to listen to American stations while The Marconi Wireless Telegraph Company of Canada offered its first commercially produced radio-broadcast receiver ...
History of radio; Timeline of radio; History of broadcasting; AM broadcasting. Extended AM broadcast band; FM broadcasting. FM broadcasting in the USA; List of the initial commercial FM station assignments issued by the Federal Communications Commission on October 31, 1940; List of radios – List of specific models of radios; Oldest television ...
View history; Tools. Tools. move to sidebar hide. ... The table of years in radio is a tabular display of all years in ... Timeline of the introduction of radio in ...