Origin in Chicago (1921) KYW (AM)

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miss forster singing [a lullaby] audience of hundred thousand (1922)


the station first licensed on november 15, 1921 chicago s first broadcasting station, randomly assigned call letters of kyw. jointly operated westinghouse , commonwealth edison, westinghouse later taking on sole operator. through financial support of samuel insull, , cooperation of mary garden, director general of chicago opera company, kyw s initial broadcasts consisted of opera company s entire six-day-a-week winter season schedule. ten microphones installed across chicago civic auditorium stage, equipment switching between them needed. after close of opera season, kyw installed studio in commonwealth edison building, , began producing additional programming. fall of 1922 station operating twelve hours day.


in 1927, westinghouse affiliated 4 radio stations (kyw, kdka in pittsburgh, wbz in springfield, massachusetts , wbza in boston) national broadcasting company s (nbc) nbc-blue network, originated station wjz in new york city, had been transferred westinghouse radio corporation of america (rca) in 1923. westinghouse had been founding partner of rca, nbc s original parent company.


in 1923, westinghouse established station, kfkx in hastings, nebraska, located near center of country. station designed serve dual purpose, of providing agricultural service, , testing practicality of using shortwave transmitters link radio networks, kfkx receiving of programming shortwave kdka in pittsburgh. in 1928 project abandoned, although announced kfkx programming being consolidated kyw, resulted in creation of dual call letter assignment of kyw-kfkx. kfkx quietly dropped call sign in 1933.








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