Lee De Forest resumes broadcasting from the Bronx after a hiatus due to World War I. The station is given the designation 2XG. Records concerts are aired 5 times a week. The world's first known programme director is Richard Klein.
- First clear transmission of human speech, (on 9XM) after experiments with voice (1918) and music (1917).
- Armstrong announces the first “superheterodyne”-- the set would be the new Radio Corporation of America’s biggest success.
On This Day
October 17–The assets of Marconi Company's American operations are acquired by General Electric and are incorporated (along with the Pan-American Telegraph Company and assets already controlled by the United States Navy) as the Radio Corporation of America. Former American Marconi executive David Sarnoff is also brought over to the new company; he would become an influential figure at RCA and with the development of NBC and RKO.
October 17–Dr. Frank Conrad begins broadcasting from 8XK at 7750 Penn Avenue, in Pittsburgh which a year later will become KDKA.
October 28–On the first anniversary of the establishment of independent Czechoslovakia the first radio program of words and music is broadcast from the telegraph station at the Petřín lookout tower in Prague.
November 19–Experimental station 8ZAE (later KQV) is launched in Pittsburgh, Pennsylvania, USA.
December 1–Experimental station XWA (later CFCF, then CIQC, and finally CINW) is launched in Montreal, Canada by the Marconi Company.
Radio in 1919
- Listen to the Top 40 Songs of 1919
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