From 1965 until early 1976, this station played top 40 hits in Chicago giving long established WLS quite a rough time during this period. The line-up of jocks included such WLS veterans as Dick Biondi, Art Roberts and more. Owned by the Chicago Federation of Labor, hence the "CFL", the station like WLS issued a weekly survey. To view surveys, scroll down just below the jocks to WCFL Year Index.
On the left, Dick Biondi; to the right, Art Roberts at 'CFL.
WCFL Year Index