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The Timid Soul was a 1941–1942 comedy based on cartoonist H. T. Webster's famed Caspar Milquetoast character, and Robert L. Ripley's Believe It or Not! was adapted to several different radio formats during the 1930s and 1940s. Conversely, some radio shows gave rise to spinoff comic strips, such as My Friend Irma starring Marie Wilson. [19]
1 April – The 1930 United States Census is the first in that country's history to require households to report the ownership of a radio-receiving set. 18 April – BBC radio listeners uniquely hear the announcement "Good evening. Today is Good Friday. There is no news." [1]
1920s: Radio was first used to transmit pictures visible as television. 1926: Official Egyptian decree to regulate radio transmission stations and radio receivers. [40] Early 1930s: Single sideband (SSB) and frequency modulation (FM) were invented by amateur radio operators. By 1940, they were established commercial modes.
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
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.
21 July 1923, from 1930 part of Dutch Public Radio AM 279 kHz, 1927 also 1004 kHz, today FM network 500 W, 1927 5 kW 2RN (Irish Free State radio) RTÉ (Irish national radio & television) [40] General Post Office (O'Connell Street), Dublin, Ireland 1 January 1926 AM 380 kHz, and from Cork AM612 kHz, NDO, 50% time KRO, 50% NCRV NPO
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.
The Press-Radio War in the United States lasted from 1933 to 1935. Newspaper publishers were concerned to maintain their own dominance of the news market in the face of the emerging radio networks. The Press induced the wire services to stop providing news bulletins to radio broadcasters , which then developed their own news-gathering facilities.