104.3 WJMK Chicago

WJMK 104.3 Chicago

104.3 WJMK in Chicago became JACK-FM on June 3, 2005.

The DJ's stayed on and did their shows on the 104.3 HD-2 oldies formatted station.

On July 12, 2006, the DJ's at WJMK 104.3 HD-2 were laid off as part of a massive restructuring at CBS.

Greg Brown

Fred Winston

Dick Biondi