| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1988-10-03 00:00:00 | | Call Sign changed from KWDC to KJZY | Reply to |
| 1988-12-15 00:00:00 | FCC App# 118421 | FCC approved station to begin licensed operation | Reply to |
| 1991-05-30 00:00:00 | FCC App# 146946 | License Renewed | Reply to |
| 1992-12-28 00:00:00 | | Call Sign changed from KJZY to KDZR | Reply to |
| 2002-06-11 00:00:00 | | Call Sign changed from KHCK to KHCK | Reply to |
| 2005-07-25 00:00:00 | FCC App# 1052767 | License Renewed | Reply to |
| 2009-07-03 22:13:59 | jbi001 | Successful Volunteer Test - 53 Seconds | Reply to |
| 2009-12-07 01:59:17 | editor | Marked as working | Reply to |
| 2010-09-04 09:46:36 | WesternMA | Successful Volunteer Test (Windows) - 40 Seconds | Reply to |
| 2010-09-04 09:46:52 | WesternMA | Manual click to start | Reply to |
| 2010-11-18 09:02:40 | editor | No stream | Reply to |
| 2011-07-15 08:49:38 | editor | streams changed to -1 | Reply to |
| 2015-06-09 00:05:23 | editor | Changed streaming URL to http://v6.player.abacast.net/2301 | Reply to |
| 2015-12-20 08:09:28 | editor | Station Web Site Reviewed | Reply to |
| 2017-03-02 00:00:00 | FCC App# 1752726 | FCC received request to transfer license from KHCK-FM LICENSE CORP. to UNIVISION RADIO SAN FRANCISCO, INC. | Reply to |
| 2017-06-07 00:00:00 | FCC App# 1758461 | FCC was notified license transfer is complete | Reply to |
