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The earliest radio programs of the 1920s were largely unsponsored; radio stations were a service designed to sell radio receivers. In early 1922, American Telephone & Telegraph Company (AT&T) announced the beginning of advertisement-supported broadcasting on its owned stations, and plans for the development of the first radio network using its ...
Radio sets from before 1920 are rarities, and are probably military artifacts. Sets made prior to approximately 1924 were usually made on wooden breadboards, in small cupboard style cabinets, or sometimes on an open sheet metal chassis. Homemade sets remained a strong sector of radio production until the early 1930s.
Spanish language radio is the largest non-English broadcasting media. While other foreign language broadcasting declined steadily, Spanish broadcasting grew steadily from the 1920s to 1970s. The 1930s were boom years. [19] The early success depended on the concentrated geographical audience in Texas and the Southwest.
When radio was introduced in the early 1920s, many predicted it would kill the phonograph record industry. Radio was a free medium for the public to hear music for which they would normally pay. While some companies saw radio as a new avenue for promotion, others feared it would cut into profits from record sales and live performances.
The term All American Five (abbreviated AA5) is a colloquial name for mass-produced, superheterodyne radio receivers that used five vacuum tubes in their design. These radio sets were designed to receive amplitude modulation (AM) broadcasts in the medium wave band, and were manufactured in the United States from the mid-1930s until the early 1960s.
The 1926 formation of the National Broadcasting Company was a consolidation and reorganization of earlier network radio operations developed by the American Telephone & Telegraph Company (AT&T) beginning in 1922, in addition to more limited efforts conducted by the "radio group" companies, which consisted of the Radio Corporation of America (RCA) and its corporate owners, General Electric (GE ...
1920s; 1930s; 1940s; 1950s; 1960s; 1970s; 15th; ... Subcategories. This category has only the following subcategory. A. Amos 'n' Andy (6 P) Pages in category "1920s ...
The Boy Scouts have kept the construction of a radio set in their program since the 1920s. A large number of prefabricated novelty items and simple kits could be found through the 1950s and 1960s, and many children with an interest in electronics built one. Building crystal radios was a craze in the 1920s, and again
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related to: popular radios in the 1930s and 1920s and early 1960s led to different causes