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RadioShack (formerly written as Radio Shack) is an American electronics retailer that was established in 1921 as an amateur radio mail-order business. Its original parent company, Radio Shack Corporation, was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components sold in retail stores.
As wartime orders ceased and a large supply of military surplus transmission tubes flooded the market the firm laid off 90% of its workers and closed its plant in Salt Lake City. Reallocation of the FM band by the FCC in 1945, however, provided an opportunity for the firm to market a superior power tetrode tube which it had developed. [6]
Each store had a repair shop on site with a part-time technician. Some locations had multiple full-time service technicians. Others had service departments that operated independently of the store but under the same ownership. Stores ranged in size from 2,000 to 5,000 square feet (460 m 2).
The company was founded in 1943 by radio design engineer Robert L. Drake. The company began as a manufacturer of low pass and high pass filters for the government and amateur radio market, and after World War II, produced amateur radio transmitters and receivers and communications receivers for maritime mobile service.
Amphenol was founded in Chicago in 1932 by entrepreneur Arthur J. Schmitt, whose first product was a tube socket for radio tubes (valveholder bases). [6] Amphenol expanded significantly during World War II, when the company became the primary manufacturer of connectors used in military hardware, including airplanes and radios.
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In 1941, radio tubes continued being sold to radio broadcast stations as R. E. Carlson was vice-president in Charge of Sales during this time. [14] Circa 1948, there was a picture of the Tung-Sol Factory at the corner of High Street and Eighth Avenue by Thomas Pallante located in the Newark Public Library.
Swan merged with Cubic Corporation in 1967, and Johnson managed Swan as its subsidiary until 1973. Johnson founded Atlas Radio in 1974. Atlas produced smaller solid state radios for mobile communications from vehicles of all types. [3] Many Swan radios remain in service today, restored and operated by vintage amateur radio enthusiasts. [2]