| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1989-09-19 00:00:00 | | Call Sign changed from 880308MG to KMCH | Reply to |
| 1992-06-24 00:00:00 | FCC App# 168250 | FCC approved station to begin licensed operation | Reply to |
| 2005-01-21 00:00:00 | FCC App# 1013492 | License Renewed | Reply to |
| 2008-10-18 01:20:23 | | Successful automated test | Reply to |
| 2010-05-22 11:23:58 | | Successful automated test | Reply to |
| 2014-09-24 20:31:49 | idziak4ever1234 | Station Web Site Reviewed | Reply to |
