| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1982-05-03 00:00:00 | | Call Sign changed from 790328AG to KRRB | Fix Delete Reply to |
| 1984-02-27 00:00:00 | FCC App# 60404 | FCC approved station to begin licensed operation | Fix Delete Reply to |
| 1990-07-31 00:00:00 | FCC App# 136001 | License Renewed | Fix Delete Reply to |
| 1997-03-28 00:00:00 | FCC App# 236642 | License Renewed | Fix Delete Reply to |
| 1998-11-10 00:00:00 | FCC App# 271576 | FCC approved station to begin licensed operation | Fix Delete Reply to |
| 1999-02-17 00:00:00 | FCC App# 279084 | FCC approved transfer of license from ROUGHRIDER BROADCASTING CO. to KLTC/KCAD L.L.C. | Fix Delete Reply to |
| 2011-07-15 08:15:10 | editor | verifiedtime changed to 7/15/2011 8:15:10 AM | Fix Delete Reply to |
| 2011-12-08 22:19:27 | editor | verifiedtime changed to 12/8/2011 10:19:27 PM | Fix Delete Reply to |
| 2013-06-27 15:49:08 | editor | Marked as working | Fix Delete Reply to |
| 2013-06-27 15:49:10 | editor | verifiedtime changed to 6/27/2013 3:49:10 PM | Fix Delete Reply to |
| 2014-08-23 06:26:40 | editor | Changed streaming URL to http://www.iheart.com/live/5230/?autoplay=true&pname=1092&campid=play_bar&cid=main.html | Fix Delete Reply to |
| 2015-07-29 21:36:26 | editor | Updated Schedule URL to http://www.kzrx921.com/onair/ | Fix Delete Reply to |
| 2015-12-19 02:47:13 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2016-05-20 13:39:01 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2018-03-21 00:00:00 | FCC App# 1780700 | FCC received request to transfer license from CC LICENSES, LLC to CC LICENSES, LLC, AS DEBTOR IN POSSESSION | Fix Delete Reply to |
| 2018-04-20 06:42:20 | | Licensee changed from CC LICENSES, LLC to CC LICENSES, LLC, AS DEBTOR IN POSSESSION | Fix Delete Reply to |
| 2018-04-20 06:42:20 | | Licensee changed from CC LICENSES, LLC to CC LICENSES, LLC, AS DEBTOR IN POSSESSION | Fix Delete Reply to |
| 2018-10-10 00:00:00 | FCC App# 1796072 | FCC received request to transfer license from CC LICENSES, LLC, AS DEBTOR IN POSSESSION to CC LICENSES, LLC | Fix Delete Reply to |
| 2019-05-03 06:42:19 | | Licensee changed from CC LICENSES, LLC, AS DEBTOR IN POSSESSION to CC LICENSES, LLC | Fix Delete Reply to |
| 2019-05-03 06:42:19 | | Licensee changed from CC LICENSES, LLC, AS DEBTOR IN POSSESSION to CC LICENSES, LLC | Fix Delete Reply to |
| 2019-05-06 20:16:58 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2025-08-03 01:18:35 | editor | Updated Schedule URL to https://kzrx921.iheart.com/schedule/ | Fix Delete Reply to |
