WDJX
| City | Louisville, Kentucky |
|---|---|
| Broadcast area | Louisville |
| Branding | 99-7 DJX |
| Slogan | "All The Hits" |
| Frequency | 99.7 FM (MHz) |
| First air date | 1962 |
| Format | CHR |
| ERP | 24,000 watts |
| HAAT | 218 meters (716 feet) |
| Class | B |
| Facility ID | 55498 |
| Transmitter coordinates | 38° 21' 53" N, 85° 50' 18" W |
| Former callsigns | WKLO-FM (1962-1971) WCSN (1971-1979) WKJJ-FM (1979-1985) |
| Owner |
Alpha Media (Alpha Media Licensee LLC) |
| Website | http://www.wdjx.com |
WDJX is a Contemporary Hit Radio radio station located in Louisville, Kentucky. The station is licensed by the Federal Communications Commission (FCC) to broadcast on 99.7 FM with an effective radiated power (ERP) of 24 kW. The station's studios are located in downtown Louisville and the transmitter site is in New Albany, Indiana.
WKLO-FM signed on in August 1962 as the FM sister to WKLO AM 1080. Initially, the station simulcasted much of WKLO's Top 40 format, breaking off after 6 p.m. to air classical music and showtunes, but eventually segued into a full-time simulcast by the end of the 1960s. When the FCC banned full-time AM-FM simulcasts in the late 1960s, WKLO-FM switched to an automated Top 40 format. In the early 1970s WKLO-FM became WCSN with an automated Beautiful/Easy Listening format.
In 1979, WCSN ("Sunshine Melodies") abruptly dropped its automated B/EZ format for a Rock-leaning Top 40 format as WKJJ, with the first song in the new format as "Renegade" by Styx. Initially, the station was known as "JJ-100", but was quickly changed to "KJ-100" days after signing-on. Several months later, sister AM WKLO was changed to WKJJ as both stations pioneered a then-unique concept of "lateral replays" where a song would air on the FM and the same song would air several minutes later on the AM. This concept was done in order to get around FCC rules that were still in place at the time.
In 1981, sister WKJJ dropped the lateral replay concept as the format was changed to Country as WCII. One year later, WKJJ-FM changed to Adult Contemporary as "Magic 100." This move left the Louisville market without a Top 40/CHR station for roughly a year. (In the meantime, legendary AOR leader WLRS and Adult Contemporary turned Top 40/CHR WJYL would attempt to fill the hole for CHR in the Louisville market).
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