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WTMX

WTMX
101.9 The Mix (WTMX) (logo).png
City Skokie, Illinois
Broadcast area Chicago metropolitan area
Branding The Mix
Frequency 101.9 MHz (also on HD Radio)
101.9-HD2 FM Smooth Jazz "The Groove 103.9"
Translator(s) 103.9 W280EM (Chicago, relays HD2)
First air date August 18, 1961 (as WRSV)
Format Adult Top 40
Audience share 4.4 (Holiday 2016, Nielsen Audio[1])
ERP 4,200 watts
HAAT 476 meters (1,562 ft)
Class B
Facility ID 6377
Callsign meaning W The MiX
Former callsigns WRSV (1961-1970)
WCLR (1970-2/21/1989)
Owner Hubbard Broadcasting
(Chicago FCC License Sub, LLC)
Sister stations WDRV, WWDV, WSHE-FM
Webcast Listen Live
Website wtmx.com

WTMX (101.9 FM "The Mix") is an Adult Top 40 radio station licensed to Skokie, IL in the Chicago market. It is owned by Hubbard Broadcasting. WTMX has studios at One Prudential Plaza and its transmitter co-located atop Willis Tower (the former Sears Tower).

WTMX broadcasts in the HD digital hybrid format.

The station began as WRSV (Radio Skokie Valley) from 1961-1970. It became WCLR in 1970 until 1989. The station ran a "beautiful music" format for years. The station played easy listening renditions of pop standards/other songs along with a few vocalists and AC artists. The station dropped the instrumentals in the late 1970s and became a very Soft AC station still known as MOR playing a blend of easy listening vocals and soft pop songs from the 1950s to 1970s.

By the early 1980s, the station evolved to a straight-ahead AC format with studios located at 8833 Gross Point Road in Skokie, Illinois. WCLR was "Chicago's Lite Rock" from about 1982 until 1989. The station was best known for its soft rock starsets in the 1980s and their Saturday night all-request oldies program.

On February 21, 1989, WCLR moved to a hot AC format, changed its call letters to WTMX, and became known as "The Mix". By 1995, WTMX had moved its studios to the Prudential Building in downtown Chicago and began leaning more toward modern rock. By February 1996, the format was modern AC, basically modern rock without any hard rock. They played more female vocalists and 1980s music than most modern rock stations and were hot AC in tempo and presentation. In 2006, WTMX evolved toward an Adult Top 40 format with the addition of pop-crossover music by artists such as Pink, Justin Timberlake, Timbaland and Rihanna.


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