It later changed to CHR/Adult Top-40 as "Z-104.5". The station started leaning towards a rock direction in its CHR format beating then crosstown CHR rival KAYI (Now KHTT). Airchecks of this timeframe can be found at http://www.edgetulsa.com.
CHR/Adult Top-40 became the station's new format later on, identified as "Z-104.5". It started to focus more on a rock style in its CHR format, outperforming its crosstown rival KAYI (now KHTT). Airchecks from this time can be accessed at http://www.edgetulsa.com.