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| Broadcast area | Dallas/Fort Worth Metroplex |
| Frequency | 100.3MHz (HD Radio) |
| Branding | 100.3 Jack FM |
| Programming | |
| Language | English |
| Format | Adult hits |
| Subchannels |
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| Affiliations | Jack FM |
| Ownership | |
| Owner |
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| History | |
First air date | December 25, 1965; 59 years ago (1965-12-25) |
Former call signs |
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Call sign meaning | "Jack FM" |
| Technical information[1] | |
Licensing authority | FCC |
| Facility ID | 63779 |
| Class | C |
| ERP | 100,000 watts |
| HAAT | 574.2 meters (1,884 ft) |
Transmitter coordinates | 32°35′2.5″N96°57′49″W / 32.584028°N 96.96361°W /32.584028; -96.96361 |
| Links | |
Public license information | |
| Webcast |
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| Website | www |
KJKK (100.3FM) is acommercial radio station inDallas, Texas, and serving theDallas/Fort Worth Metroplex. It airs anadult hitsradio format known as "Jack FM", one of three stations owned byAudacy, Inc. that subscribe to theformat, along withKCBS-FM in Los Angeles andKZJK inMinneapolis. Jack FM uses a pre-recorded "Voice of Jack" who makes ironic quips and sarcastic remarks between songs. KJKK's studios and offices are along theNorth Central Expressway inUptown Dallas.
KJKK has aneffective radiated power (ERP) of 100,000 watts, the maximum for most FM stations.[2] Thetransmitter site is off Plateau Street inCedar Hill, amid thetowers for several Dallas-area TV and FM stations.[3] KJKK broadcasts in theHD Radio hybrid format, with its HD2subchannelsimulcastingsister station 1080KRLD. TheBetMGM Network, which featuressports betting programming, is heard on its HD3 subchannel.
On December 25, 1965, KBOX-FM ("K-Box") firstsigned on the air as the FM counterpart of KBOX (nowKNGO 1480kHz).[4] KBOX-FM playedeasy listening and occasionaljazz music while KBOX (AM) was aTop 40, and thencountry music outlet, during the 1960s and 1970s. The stations used the KBOXcall sign because they were owned by John F. Box.
In 1973, the FM station's call letters switched to KTLC for "Tender Loving Care", a way to describe itsbeautiful music format. In 1976, the call sign was changed again, this time to KMEZ, carrying new branding asEZ 100. KMEZ also served as theflagship station forSouthern Methodist Universityfootball.
In 1988, KMEZ was purchased by Summit Broadcasting. After the purchase, KMEZ's call letters and easy listening format moved to107.5 FM. At 12:01 a.m. on December 25, 1988, after two days ofstunting with a loop of "Jam On It" byNewcleus, the station changed formats to a mix ofCHR andurban music, commonly called the "CHUrban" format, which is the predecessor ofrhythmic contemporary. The station later changed its call letters to KJMZ and re-branded as100.3 Jamz.[5]
During its time as KJMZ, on-air personalityRuss Parr got his start in the radio business before going to Washington, D.C. to host anationally syndicated morning show, which, at one time, aired onKBFB (97.9 FM). In 1995, Granum Communications bought KJMZ andKOAI. Granum tweaked KJMZ's format tourban adult contemporary. The station was renamed KRBV,V100, on September 1, 1995.[6] KRBV was the only Urban AC station to cover the entire Metroplex. It was one of the top 10 stations in the market. However, tragedy struck: KRBV, along withKXTX-TV, KOAI andKYNG, were impacted by the Cedar Hill tower collapse on October 12, 1996. Three workers were killed and one was injured when a gust of wind caught the gin pole being used for construction of a new antenna for KXTX-TV. With their tower on the ground, the stations scrambled to get back on air. They were forced to use an auxiliary site for many months at a much reduced power output. Because of this, KRBV's ratings sank, and the station was unable to return to its success prior to the tower destruction. The only Urban AC stations available today,KRNB andKZMJ, haverimshot coverage difficult to hear in the southern section of the Metroplex.
Also in 1996, theInfinity Broadcasting Corporation, a subsidiary ofCBS Radio, bought Granum Communications, giving it possession of KRBV and KOAI.[7] In December 1998, KRBV re-addedhip hop music to itsplaylist, and was revamped asAdult Mix V100.3.
On March 12, 1999, the station beganstunting by looping songs from artists such asRob Base andEminem. Three days later, on March 15, the station changed formats toRhythmic-leaningTop 40. The station was renamed Hot 100, calling itselfDFW's Party Station.[8] On May 28, 2001, at 11 a.m., the station changed its name again toWild 100 while maintaining its Rhythmic-leaning Top 40 format. The first song onWild was "Wild Thing" byTone Loc.Wild became the Dallasaffiliate for theAustin-based "J. B. and Sandy" morning show.[9][10]
On March 8, 2002, the station exhumed an oldKLIF stunt by declaring itself a "thing of the past." The station wentdark for about three hours and came back with the same format and name. Later that year, the J. B. and Sandy Show was terminated.[11] The station became aCBS Radio station when Infinity was renamed in December 2005.
On the morning of April 1, 2004, as anApril Fools' Day joke, the station's wake-up show was replaced by a pre-recorded episode ofThe Russ Martin Show. Later that day, Russ Martin was back on his regular station,Live 105.3, where he got calls from Russ Martin show listeners who thought this switch was permanent. Little did anyone know a major change was on the horizon for 100.3 FM.
On July 1, 2004, at 8 a.m., the station began stunting with a mix of music and soundbites featuring the word "Jack". At noon that day, the station flipped toadult hits as100.3Jack FM. The first song was "Where the Streets Have No Name" byU2.[12][13] The Jack FM format had been successful in a number of Canadian cities. CBS Radio began putting it on several of its FM stations around the U.S., including Los Angeles, New York City, Chicago and othermarkets.
With the flip, KRBV's call letters changed to KJKK. For the first 11 years, KJKK was jockless, and rejected all song requests. It used the voice ofHoward Cogan to make quips and sarcastic remarks several times each hour instead of having a DJ. In late 2015, the station added a few people for its on-staff while still keeping Cogan for station imaging. In the summer of 2016, KJKK dropped the "Playing What We Want" slogan, and changed it to "Everyone Agrees on 100.3 Jack FM", however, this change was reversed in early 2020, when KJKK brought back the “Playing What We Want” motto. To this day,Jack FM remains the second longest-running format on 100.3 MHz behind the beautiful music/easy listening format in its earlier years.
The station'splaylist has a core focus on hits from the 1980s and 1990s, with some songs occasionally going back to the 1970s, 1960s, and even the 1950s. Most of the music is frommainstream rock andalternative rock, although other songs from theTop 40 charts are included. (This was done to avoid overlap withclassic hitssister station KLUV (nowKSPF). The KRBV call letters eventually went to a Los Angeles station for several years, also at 100.3 FM, but under different ownership (nowKKLQ, owned by theEducational Media Foundation).
On February 2, 2017, CBS Radio announced it would merge withEntercom.[14] The merger was approved on November 9, 2017, and was consummated on November 17.[15][16] In 2021, Entercom changed its name to Audacy.
KJKK's secondaryHD Radio channel was initially launched as "My HD" in 2004. In early 2008, it carriedLas Vegas-related jazz standards sound under the branding "The Sound of The Strip".[17]
In May 2018, "The Sound of the Strip" was replaced byurban contemporary-formatted "V100.3 HD2" with the tagline "DFW's New Hip-Hop and R&B". It was similar to the "Adult Mix V-100.3" format previously heard on the main 100.3 frequency from 1998 to 1999.
In October 2021, KJKK-HD2 switched to aclassic country format previously heard on the HD3 signal. It also carried news breaks from the co-ownedTexas State Network during the day.
On February 27, 2023, the classic country format on the HD2 subchannel was replaced by a simulcast of KRLD-AM's news format. The same goes for KSPF's HD2 subchannel.
KJKK's HD3 signal was launched in late 2010 to broadcast a diverseindie/alternative format known asThe Indie-Verse. It was previously heard onKRLD-FM 105.3 HD2. For a time the HD3 station carried theall-news andtalk programming heard onsister stationAM 1080KRLD.
On June 1, 2016, KJKK-HD3 began broadcasting a classic country format.[18]
As of mid-October 2021, KJKK-HD3 switched to asports betting format under the moniker "The Bet Dallas" as part of Audacy's BetQL Network (nowBetMGM Network).