WOKZ-FM
1961–19??
Template:Missing former logo
19??–19??
Template:Missing former logo
19??–19??
Template:Missing former logo
19??–1978
Template:Missing former logo
WZEN (-FM)
1978–19??
Template:Missing former logo
19??–1988
Template:Missing former logo
KATZ-FM (first era)
1988–1994
Template:Missing former logo
1994–1995
Template:Missing former logo
KNJZ-FM
1995–1996
Template:Missing former logo
KATZ-FM (second era)
1996–1999
Template:Missing former logo
1999–2009
Template:Missing former logo
WSDD
2009–2011
Template:Missing former logo
WSGX
2011–2012
KBWX
July 10–November 7, 2012
KMJM-FM (2012–2017)/KATZ-FM (third era; 2017–present)
2012–2014
Template:Missing former logo
2014–2016
2016–present
Template:FM Radio stations in St. Louis