Oklahoma City, Oklahoma's WKY was the first radio station to be licensed west of the Mississippi River and the 28th overall. They began broadcasting in 1922 as "5XT" before being assigned the WKY call letters. Besides Contemporary Christian, they've gone through many formats over the years including Top-40, Adult Contemporary, Easy Listening, News/Talk, Sports Talk, Oldies and Country. In January, 2009 they flipped to a Regional Mexican station known as "La Indomable."
Newsman Walter Kronkite began his broadcasting career at WKY in 1935. He was an announcer for University of Oklahoma football games and later worked at the news desk. "The Most Trusted Man in America" died yesterday at the age of 92.