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WJJK 104.5WJJK logo.png
City Noblesville, Indiana
Broadcast area Indianapolis metropolitan area
Branding Classic Hits 104.5 WJJK
Slogan Indy's Only Classic Hits Station
Frequency 104.5 MHz (also on HD Radio)
First air date September 25, 1950 (as WAJC at 91.3)
Format Classic Rock-leaning Classic Hits
ERP 50,000 watts
HAAT 150 meters (490 ft)
Class B
Facility ID 28609
Callsign meaning W J JacK FM (former branding)
Former callsigns WAJC (1950-1993)
WGRL (1993-1997)
WGLD (1997-2005)
Former frequencies 91.3 MHz (1950-1956)
Owner Cumulus Media Inc.
(Radio License Holding SRC LLC)
Sister stations WFMS, WYRG
Webcast Listen Live
Listen Live via iHeart
Website 1045wjjk.com

WJJK (104.5 MHz) is a commercial classic rock-leaning classic hits FM radio station licensed to Noblesville, Indiana, and broadcasting to the Indianapolis metropolitan area. WJJK is owned by Cumulus Media. Its studios are on North Shadeland Avenue on the east side of Indianapolis, and the transmitter site is nearby Butler University which once owned the station.

WJJK is licensed to broadcast in the HD radio (hybrid) format.[1][2]


WJJK started as WAJC (with the call letters standing for Arthur Jordan College of Music) on September 25, 1950. It originally signed on at 91.3 MHz, moving to its current frequency of 104.5 MHz in 1956. It was the Butler University radio station. In 1993, it was sold to Susquehanna Radio Corporation -- which has since been purchased by Cumulus Media Partners. It then changed its call letters to WGRL and adopted a country music format. The call letters were changed to WGLD in 1997 when the station adopted an oldies format as "Gold 104.5." In 2005, WGLD became WJJK, dropping oldies and subscribing to the Jack FM adult hits format. The station became known as "104.5 Jack FM." In September 2006, WJJK became a "classic hits" station, while keeping the same call letters. The name "Jack" was dropped in December 2007 and it is now known as "Classic Hits 104.5 WJJK."

External links[edit]


Coordinates: 39°50′24″N 86°10′34″W / 39.840°N 86.176°W / 39.840; -86.176