KDKA in Pittsburgh, Pennsylvania is credited with being the first commercial radio station in the United States. KDKA started broadcasting on November 2, 1920 under the call letters 8XK with a 75 watt signal. The first entertainment programming heard by 8XK listeners was produced by holding a microphone next to a phonograph. KDKA AM radio continues to operates in Pittsburgh.
More Famous Firsts
More Famous Firsts
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