WGN (AM)

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WGN (720 kHz) is a commercial AM radio station in Chicago, Illinois, featuring a talk radio format. WGN's studios are in the Chicago Loop, while its transmitter is in Elk Grove Village. WGN also features broadcasts of Chicago Blackhawks hockey, and Northwestern University college football and basketball. WGN was founded in 1922 as WDAP. In 1924 it was acquired by the Chicago Tribune, whose "World's Greatest Newspaper" slogan served as the basis for the WGN call sign, and later the call sign of a television superstation. Tribune Broadcasting merged with Nexstar Media Group in 2019; the latter has owned WGN since. WGN is a clear channel, Class A station, broadcasting with the maximum power of 50,000 watts, and using a non-directional antenna. During daytime, near-perfect ground conductivity gives WGN at least secondary coverage to almost two-thirds of Illinois (as far south as Springfield) as well as large slices of Wisconsin, Indiana, Michigan and Iowa. During nighttime skywave, with a good...

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