A two-day celebration commemorating the 100 th anniversary of KDKAâs first radio broadcast is being held tonight and Tuesday nights.. It commenced radiotelephone transmissions on Aug. 20, 1920 of news on a daily basis, more than two months before KDKA took to â¦ Radio history fans are well aware of this, but many others are not. Pittsburgh is the site of the first commercial radio broadcast, which marks its â¦ KDKA radio is now 100 years old! At 6 p.m. Nov. 2, 1920, 8KX became KDKA Radio and broadcast the returns of the presidential race between Warren G. Harding and James M. Cox from a shack â¦ KDKAâs intent was to sell sets to the general publicânot sets by the dozen, but, as things turned out, by the millions. National Museum of Broadcasting. Here is a history of the radio station, from that fateful November until present day. Bored by the chatter, Dr. Conrad chose to introduce entertainment to the airwaves, and on Oct. 17, 1920, he put his microphone by a phonograph. It was on the evening of Tuesday November 2, 1920 that the famous American mediumwave station KDKA made its historic inaugural broadcast; exactly 97 years ago, during this past week. In celebrating the upcoming KDKA anniversary, most people are likely to say something like âRadio started in November 1920.â I wasnât happy with this simplification, so I turned to two of RWâs favorite radio history writers, John Schneider and James OâNeal. The 1920s. A more comprehensive description of the KDKA transmitting antenna â at least as it existed less than two years after the 1920 broadcast â was offered by Little in a 1922 article in Radio News about the stationâs technical facilities: â[It consists of six wires] 90 feet in length on 20 foot spreaders. When the year 1920 began the only people who thought about radio thought of it as an art that could be understood and enjoyed only by the expert or the electronics whiz. Davis). At 6 p.m. on Nov. 2, 1920, 8KX became KDKA Radio and began broadcasting at 100 watts from a make-shift shack atop one of the Westinghouse manufacturing buildings in East Pittsburgh. Perhaps the greatest challenge to KDKAâs âfirst and foremostâ status was Detroitâs 8MK (later WBL, and now WWJ), which was owned by The Detroit News. The Westinghouse Electric and Manufacturing Company entered broadcasting with the November 2, 1920, sign-on of KDKA radio in Pittsburgh. They became the first commercial radio station on Earth on November 2, 1920. Only 100 people were listening, but the first broadcast from a licensed radio station occurred at 8 p.m. on Nov. 2, 1920. KDKA Radio â 100 Years. History Radio origins. It was Pittsburghâs KDKA, â¦ There was an effort to establish Westinghouseâs radio industry by the vice president of the company (H.P. A photo from inside the KDKA radio facility in 1920.