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KLOU

KLOU
KLOU 103.3KLOU logo.png
City St. Louis, Missouri
Broadcast area Greater St. Louis
Branding 103.3 KLOU
Slogan St. Louis' Greatest Hits
St. Louis' Christmas Station (early Nov.-Dec.25)
Frequency 103.3 MHz (also on HD Radio)
103.3 HD-2 for Contemporary Christian "Up! 103.7"
Translator(s) 103.7 W279AQ (Mascoutah, IL, relays HD2)
First air date February 12, 1962 (as KMOX-FM)
Format Classic Hits
Christmas music (late Nov.-Dec.)
ERP 90,000 watts
HAAT 313 meters
Class C1
Facility ID 9626
Callsign meaning K St. LOUis
Former callsigns KMOX-FM (1962-1982)
KHTR (1982-1988)
Owner iHeartMedia
(Citicasters Licenses, Inc.)
Sister stations KATZ, KLLT, KMJM-FM, KSD, KSLZ
Webcast Listen Live
Listen Live (HD2)
Website klou.iheart.com
up1037.iheart.com (HD2)

KLOU (103.3 FM) is a radio station with a classic hits format in St. Louis, Missouri, specializing in hits from the 1970s and 1980s, with some late 60's and early 90's hits mixed in. Its transmitter is located in Gravois, and operates from studios in St. Louis south of Forest Park. It is owned by iHeartMedia (previously Clear Channel Communications until September 16, 2014).

KLOU is licensed by the FCC to broadcast in the HD Radio digital format.

The station began broadcasting on February 12, 1962 as KMOX-FM, by playing an easy listening/standards format. The focus then shifted to an adult contemporary style of music by the 1970s. In the summer of 1981, KMOX-FM began gradually evolving its format toward Top 40/CHR by adding more and more current hits to its rotation; by August 1982, the transition was complete, and the station's call letters were changed to KHTR, and went under the moniker "Hitradio 103". KHTR, like sister stations WHTT in Boston and KKHR in Los Angeles, was modeled after programmer Mike Joseph's successful Hot Hits format, although unlike early Hot Hits stations, KHTR also played recurrent hits and oldies. KHTR was an almost immediate success, quickly becoming the #2 station in the demographic group 12 years old and over in the market, behind only sister KMOX. (1) The "Hot Hits" format led to the station sometimes being referred derisively as "Keep Hearing Those Repeats", a play on the stations call letters, KHTR.

The oldies arrived on November 5, 1988, when KHTR changed to its current call letters of KLOU, with the station playing hits from the 1950s, 1960s and early-mid-1970s. Gradually, the 1950s hits would disappear from the station's playlist, and more hits from the late 1970s and 1980s soon followed. KLOU was the official radio station for the NFL's St. Louis Rams from 2000 until it was replaced by all-sports newcomer WXOS in 2009. (This was shown in the station's logo from 2000-2007.)


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