| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1979-09-26 00:00:00 | | Call Sign changed from KLENFM to KLEN | Fix Delete Reply to |
| 1980-01-10 00:00:00 | FCC App# 12905 | FCC approved station to begin licensed operation | Fix Delete Reply to |
| 1980-09-30 00:00:00 | FCC App# 20858 | License Renewed | Fix Delete Reply to |
| 1980-11-04 00:00:00 | | Call Sign changed from KLEN to KKAZ | Fix Delete Reply to |
| 1983-09-15 00:00:00 | FCC App# 57155 | License Renewed | Fix Delete Reply to |
| 1983-10-31 00:00:00 | FCC App# 46815 | FCC approved station to begin licensed operation | Fix Delete Reply to |
| 1990-11-30 00:00:00 | FCC App# 149131 | License Renewed | Fix Delete Reply to |
| 1996-12-09 00:00:00 | | Call Sign changed from KKAZ to KOLZ | Fix Delete Reply to |
| 2006-03-24 00:00:00 | FCC App# 1061703 | License Renewed | Fix Delete Reply to |
| 2008-07-30 00:00:00 | FCC App# 1252071 | FCC approved station to begin licensed operation | Fix Delete Reply to |
| 2008-10-21 05:58:42 | editor | Successful Volunteer Test - 83 Seconds | Fix Delete Reply to |
| 2008-10-21 06:00:40 | editor | Successful Volunteer Test - 73 Seconds | Fix Delete Reply to |
| 2008-12-09 00:00:00 | FCC App# 1278213 | FCC approved transfer of license from CITICASTERS LICENSES, L.P. to CITICASTERS LICENSES, INC. | Fix Delete Reply to |
| 2009-08-11 22:11:31 | jbi001 | Successful Volunteer Test - 69 Seconds | Fix Delete Reply to |
| 2010-11-25 22:58:49 | | Successful automated test | Fix Delete Reply to |
| 2011-03-12 12:50:10 | jbi001 | Quality increased by 1 | Fix Delete Reply to |
| 2013-09-27 00:00:00 | FCC App# 1557608 | License Renewed | Fix Delete Reply to |
| 2015-03-18 22:57:02 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2016-10-11 07:31:15 | editor | Automated Update of homepage URL from http://www.koltfm.com/ to http://koltfm.iheart.com/ | Fix Delete Reply to |
| 2017-04-15 22:07:52 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2018-04-11 00:00:00 | FCC App# 1780766 | FCC approved transfer of license from CITICASTERS LICENSES, INC. to CITICASTERS LICENSES, INC., AS DEBTOR IN POSSESSION | Fix Delete Reply to |
| 2018-10-10 00:00:00 | FCC App# 1796045 | FCC received request to transfer license from CITICASTERS LICENSES, INC., AS DEBTOR IN POSSESSION to CITICASTERS LICENSES, INC. | Fix Delete Reply to |
| 2018-10-10 00:00:00 | FCC App# 1786949 | FCC received request to transfer license from CITICASTERS LICENSES, INC., AS DEBTOR IN POSSESSION to CITICASTERS LICENSES, INC. | Fix Delete Reply to |
