KDKA

(from the article `Pennsylvania`) ...and Country Gentleman. Andrew Carnegie of Pittsburgh was noted for the establishment of libraries throughout the country. The world`s first ... ...in the number of listeners in turn justified the establishment of stations especially for the purpose of broadcasting entertainment and ... [2 related ...
Found on http://www.britannica.com/eb/a-z/k/17

KDKA

[AM] KDKA (1020 kHz) is a radio station licensed in Pittsburgh, Pennsylvania. Created by the Westinghouse Electric Corporation on November 2, 1920, it is the world`s first commercial radio station, a distinction that has also been challenged by other stations, although it has claimed to be the `world`s first commercially licensed radio stat...
Found on http://en.wikipedia.org/wiki/KDKA_(AM)
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