| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 0000-00-00 00:00:00 | | Call Sign changed from 880315AE to KASY | Reply to |
| 1980-12-16 00:00:00 | FCC App# 143208 | FCC approved station to begin licensed operation | Reply to |
| 1981-01-26 00:00:00 | FCC App# 23785 | License Renewed | Reply to |
| 1984-01-17 00:00:00 | FCC App# 61831 | License Renewed | Reply to |
| 1984-04-17 00:00:00 | FCC App# 68137 | FCC approved station to begin licensed operation | Reply to |
| 1989-07-26 00:00:00 | | Call Sign changed from KASY to KBSG | Reply to |
| 1998-03-10 00:00:00 | FCC App# 254766 | License Renewed | Reply to |
| 2002-12-30 00:00:00 | | Call Sign changed from KBSG to KTTH | Reply to |
| 2003-01-06 00:00:00 | | Call Sign changed from KTTH to KNWX | Reply to |
| 2004-10-20 00:00:00 | FCC App# 1002836 | FCC request to transfer license from ENTERCOM SEATTLE LICENSE, LLC to BUSTOS MEDIA OF WASHINGTON, LLC superceded | Reply to |
| 2005-01-28 00:00:00 | FCC App# 1036448 | FCC approved transfer of license from BUSTOS MEDIA OF WASHINGTON, LLC to BUSTOS MEDIA OF WASHINGTON LICENSE, LLC | Reply to |
| 2006-01-26 00:00:00 | FCC App# 1082814 | License Renewed | Reply to |
| 2007-11-02 00:00:00 | | Call Sign changed from KWMG to KTBK | Reply to |
| 2011-05-30 00:50:06 | editor | verifiedtime changed to 5/30/2011 12:50:06 AM | Reply to |
| 2011-05-30 00:53:18 | editor | formatid changed to 12 | Reply to |
| 2011-05-30 00:53:18 | editor | verifiedtime changed to 5/30/2011 12:53:18 AM | Reply to |
| 2011-11-07 00:00:00 | | Call Sign changed from KTBK to KMIA | Reply to |
| 2014-01-28 00:00:00 | FCC App# 1575677 | License Renewed | Reply to |
| 2014-12-17 06:42:01 | | Licensee changed from ADELANTE MEDIA OF SEATTLE LICENSE LLC to BUSTOS MEDIA HOLDINGS, LLC | Reply to |
| 2015-10-16 16:19:47 | charlottenc | Station Web Site Reviewed | Reply to |
| 2020-09-12 00:48:07 | editor | Station URL no longer valid | Reply to |
| 2020-09-12 00:48:26 | editor | Station Format updated from Mexican Regional to Silent | Reply to |
| 2021-04-20 19:42:40 | editor | Station Format updated from No Web Site to No Web Site (Spanish) | Reply to |
