| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1992-08-21 00:00:00 | | Call Sign changed from 891219MI to WZLK | Reply to |
| 1996-04-30 00:00:00 | FCC App# 219517 | FCC approved station to begin licensed operation | Reply to |
| 1996-09-19 00:00:00 | FCC App# 223028 | License Renewed | Reply to |
| 1996-09-27 00:00:00 | FCC App# 230939 | FCC approved transfer of license from KENNETH OSBORNE to WZLK, INC. | Reply to |
| 2004-07-26 00:00:00 | FCC App# 981713 | License Renewed | Reply to |
| 2006-03-13 00:00:00 | FCC App# 1073992 | FCC approved station to begin licensed operation | Reply to |
| 2009-07-05 11:40:39 | editor | Successful Volunteer Test | Reply to |
| 2010-10-10 11:24:26 | 3tooz | Successful Volunteer Test (Windows) - 67 Seconds | Reply to |
| 2013-06-02 14:54:17 | editor | Marked as working | Reply to |
| 2019-05-10 00:00:00 | FCC App# 1803023 | FCC request to transfer license from EAST KENTUCKY BROADCASTING CORPORATION to MOUNTAIN TOP MEDIA LLC superceded | Reply to |
| 2019-06-01 06:42:17 | | Licensee changed from EAST KENTUCKY BROADCASTING CORPORATION to MOUNTAIN TOP MEDIA LLC | Reply to |
| 2019-06-03 06:42:20 | | Licensee changed from EAST KENTUCKY BROADCASTING CORPORATION to MOUNTAIN TOP MEDIA LLC | Reply to |
| 2024-02-04 09:07:08 | editor | Station Homepage Title changed from Z107.5 | The New Hit Music Revolution | Pikeville, KY | WZLK-FM to Z107.5 | Pikeville's Best New Music | Pikeville, KY | Reply to |
| 2024-02-04 09:07:08 | editor | Automated Update of homepage URL from http://1075z.com/ to https://1075z.com/ | Reply to |
| 2025-08-02 11:57:26 | editor | Updated Schedule URL to https://1075z.com/ | Reply to |
