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 replaced the station's previous format. It began to emphasize a rock style in its CHR format, surpassing its crosstown rival KAYI (now KHTT). Airchecks from this period can be found at http://www.edgetulsa.com.