| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1991-02-04 00:00:00 | FCC App# 138149 | FCC approved station to begin licensed operation | Fix Delete Reply to |
| 2009-12-02 08:07:45 | | Successful automated test | Fix Delete Reply to |
| 2010-11-25 23:09:40 | | Successful automated test | Fix Delete Reply to |
| 2015-03-13 06:42:03 | | Licensee changed from CATHOLIC BROADCASTING NORTHWEST, INC. to CATHOLIC BROADCASTING NORTHWEST, INC. DBA MATER DEI RADIO | Fix Delete Reply to |
| 2019-01-05 12:42:48 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2024-04-23 19:50:04 | editor | Station Web Site Reviewed | Fix Delete Reply to |
