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KATZ-FM
Bridgeton, Missouri;
Broadcast area	Greater St. Louis
Frequency	100.3 MHz (HD Radio)
Branding	100.3 The Beat
Programming
Format	Urban Contemporary
Subchannels	HD2: Black Information Network (News)
Affiliations	Premiere Networks
Ownership
Owner	iHeartMedia, Inc.; (iHM Licenses, LLC);
Sister stations	KATZ, KLOU, KSD, KSLZ, KTLK-FM, W279AQ
History
First air date	September 1961; 63 years ago
Former call signs	WOKZ-FM (1961–1978); WZEN (1978–1979); WZEN-FM (1979–1988); KATZ-FM (1988–1995); KNJZ-FM (1995–1996); KATZ-FM (1996–2009); WSDD (2009–2011); WSGX (2011–2012); KBWX (2012); KMJM-FM (2012–2017);
Technical information
Licensing authority	FCC
Facility ID	48958
Class	C3
ERP	17,000 watts
HAAT	120 meters (394 ft)
Translator(s)	HD2: 103.7 W279AQ (Mascoutah)
Links
Public license information	Public file; LMS;
Webcast	Listen Live
Website	thebeatstl.iheart.com

KATZ-FM (100.3 MHz, "The Beat") is a commercial radio station licensed to Bridgeton, Missouri, and serving Greater St. Louis. It broadcasts an urban contemporary radio format and is owned by iHeartMedia, Inc. It airs two nationally syndicated shows on weekdays: The Breakfast Club in morning drive time and Way Up with Angela Yee in middays. KATZ-FM's studios are on Foundry Way at Forest Park Avenue, off Interstate 64 in downtown St. Louis.

KATZ-FM is a Class C3 station. It has an effective radiated power (ERP) of 17,000 watts using a directional antenna. Its transmitter is on Kin-Arc Court off Meeks Boulevard in Olivette.^[2] The station broadcasts using HD Radio technology. Its HD2 digital subchannel carries the Black Information Network, an all-news radio service from iHeart which feeds FM translator W279AQ at 103.7 MHz.

History

The "Original" 100.3 The Beat

100.3 FM, which signed on in September 1961 as WOKZ-FM in Alton, Illinois, originally inherited the R&B format under the call letters WZEN, "Disco 100" (which began on April 18, 1979), which would later change call letters to KATZ-FM in 1988. But under its original owners, it was never successful and was always behind KMJM in terms of ratings and audience, which dates back to their days as rival disco outlets in the late 1970s. In 1980, the station flipped to CHR, and then flipped to urban AC the following year.

After KMJM's owners bought KATZ and became its sister station in the 1990s, they would go through a flux of formats, including jazz as "Jazz 100", urban oldies, Smooth jazz as KNJZ (which started on April 18, 1994, after a weekend stunt of all-Kenny G music), and then back to Urban AC (as "Kiss 100.3", which started on September 11, 1995).^[3]^[4]^[5] But that all came to an end on April 1, 1999, when it swapped formats with KMJM. KMJM picked up the Urban AC format of KATZ; in return, KATZ picked up the urban contemporary format from KMJM, and rebranded as "100.3 The Beat." For a while, it had performed successfully under Clear Channel ownership and had proven to be a good complement to Rhythmic-leaning Top 40 sister KSLZ.^[6] Its competitors were Urban station WHHL and Urban AC station WFUN-FM. (KATZ-AM is now an Urban Gospel station.)

KATZ-FM had picked up the Steve Harvey Morning Show, a show syndicated through Premiere Radio Networks, owned by KATZ-FM parent Clear Channel Communications, on November 27, 2006. At first, it seemed that KMJM should have gotten the show because it plays music on an Urban AC format due to Steve's history of not playing songs with "questionable" content – primarily rap. But KATZ was chosen because Clear Channel did not see it fit to replace Tony Scott, who was doing morning drive at KMJM.

However, after changes in programming at the Clear Channel St. Louis cluster, the Steve Harvey Morning Show began running on KMJM, with former morning host Tony Scott being displaced to PM Drive.

"Beat" Ends; "Sound" Debuts

In September 2009, the station's ratings began to slide. Clear Channel would announce that they would end "The Beat" and go with a new format, with "The Beat" being relocated to the station's secondary HD Radio subchannel. At 12 p.m. on October 30, 2009, after playing Boyz II Men's End of the Road, KATZ-FM began stunting with Halloween music as "Halloween 100.3". On November 1, the station shifted their stunt to Christmas music under the name "Christmas 100.3". Finally, at 12:01 a.m. on December 26, 2009, "100.3 The Sound" debuted with a Modern Adult Contemporary/Modern Rock hybrid format and new call letters WSDD. The first song played on "The Sound" was Owl City's "Fireflies".^[7]^[8] On October 2, 2010, WSDD moved its transmitter to Overland, Missouri and its city of license to Bridgeton, Missouri. Despite an overall decrease in power, the new signal now covers a greater portion of the population core of the St. Louis area.

Gen X Radio

On December 26, 2010, exactly one year after its debut, WSDD flipped to an all-90s hits format and adopted the "Gen X Radio" moniker.^[9] The first song on "Gen X Radio" was "Get Ready For This" by 2 Unlimited. Although the format emphasized songs from the 1990s, they also played hits from the 1980s, 2000s, and some remaining currents from the previous format. On January 3, 2011, WSDD changed their call letters to WSGX to go with the "Gen X" branding.

The Brew

On May 23, 2012, at Noon, WSGX changed their format to classic rock, branded as "100.3 The Brew".^[10] The final song on "Gen X" was "No Rain" by Blind Melon, while the first song on "The Brew" was "I Wanna Rock" by Twisted Sister.^[11] On July 10, 2012, WSGX changed its call letters to KBWX. During its run as "The Brew", the station aired the Indianapolis-based Bob & Tom Show in morning drive.

Majic 100.3

On November 7, 2012, at 9 a.m., just five months after The Brew's debut, KBWX ended the classic rock format, and became the new home of KMJM's urban adult contemporary format, and rebranded as "Majic 100.3" (their former frequency, 104.9 FM, flipped to Rhythmic CHR and took the KBWX calls, while 100.3 received the KMJM-FM call letters a few days later on November 15).^[12] In March 2013, the station shifted its playlist to include more current and recurrent hip hop music, similar to KMJM's former wide-ranging urban contemporary format before altering to Urban AC in 1999. Due to low ratings, the station dropped most hip hop music in early 2014.

"Beat" returns

Logo under classic hip hop format, 2014-16

On November 18, 2014, at Noon, the station returned to the "100.3 The Beat" moniker, and flipped to a Classic hip hop format.^[13] On September 30, 2016, at Noon, the format was shifted back to urban contemporary, returning the format to the frequency after 7 years and 5 other formats. The move comes along with the addition of the syndicated Breakfast Club for mornings.^[14]

On December 12, 2017, the station changed call letters back to KATZ-FM.^[15]