Its transmitter was located atop Aurora's Leland Tower, and it had an ERP of 3,600 watts.

[5] In 1969, the station's call sign was changed to WAUR and its ERP was increased to 31,200 watts.

[6] In 1975, WAUR's transmitter was moved to the eastern fringes of Aurora, and its ERP was increased to 50,000 watts at a HAAT of 488 feet.

The format was helmed in a way that served as essentially a predecessor to the future adult hits format, as it was "deejayed" by a voice deemed only as "Bill", who claimed he borrowed a number of CDs and records and was playing "some of [his] favorite songs.

"[29][30][31] On July 4, 1997, after almost 3 months of stunting, WYSY adopted a regional Mexican format branded "La Ley".

On August 21, 2018, WLEY-FM HD2 began broadcasting 95.1 Clubsteppin', an Urban oldies format focused on Chicago stepping.

[36] Clubsteppin was simulcast on 95.1 FM by the translators W236CF in Chicago and W236CG in Bolingbrook, which formerly aired a rock format as "The Hound".

W280EM's owner, Windy City Broadcasting, was fined $8,000 in March 2022, following an informal objection filed by Albert David, as its owner had never informed the FCC that the translator had switched from rebroadcasting WTMX HD2 to WLEY-FM HD2 or of it being taken silent in May 2020.