KSLZ

KSLZ
St. Louis, Missouri;
Broadcast area	Greater St. Louis
Frequency	107.7 MHz (HD Radio)
Branding	Z107-7
Programming
Format	Top 40 (CHR)
Subchannels	HD2: Pride Radio St. Louis (Top 40/Dance)
Affiliations	Premiere Networks
Ownership
Owner	iHeartMedia, Inc.; (iHM Licenses, LLC);
Sister stations	KATZ, KATZ-FM, KLOU, KSD, KTLK-FM, W279AQ
History
First air date	September 20, 1968 (as KACO)
Former call signs	KACO (1968–1970); KGRV (1970–1972); KKSS (1972–1979); KMJM (1979–1997)
Call sign meaning	K St. Louis Z
Technical information
Licensing authority	FCC
Facility ID	48960
Class	C0
ERP	100,000 watts
HAAT	313 meters (1,014 ft)\
Links
Public license information	Public file; LMS;
Webcast	Listen Live
Website	FM/HD1: z1077.iheart.com; HD2: prideradiostl.iheart.com

KSLZ (107.7 MHz "Z107-7") is a commercial radio station in St. Louis, Missouri. It airs a Top 40 - CHR radio format and is owned by iHeartMedia, Inc. Z107-7 carries two syndicated programs on weekdays, The Jubal Show from KBKS Seattle is heard in morning drive time while On Air with Ryan Seacrest is heard middays. The studios are on Foundry Way near Interstate 64 in St. Louis.

KSLZ is a Class C0 station. It has an effective radiated power (ERP) of 100,000 watts, the maximum for most stations. The transmitter is off MacKenzie Road in the Shrewsbury neighborhood of St. Louis, amid the towers for area FM and TV stations.^[2] KSLZ uses HD Radio technology. Its digital subchannel carries "Pride Radio," an iHeartRadio service for LGBTQ listeners.