| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1978-01-01 00:00:00 | FCC App# 419735 | FCC approved station to begin licensed operation | Reply to |
| 1990-02-22 00:00:00 | | Call Sign changed from DWCHB to WMKM | Reply to |
| 1996-11-06 00:00:00 | FCC App# 227556 | License Renewed | Reply to |
| 2004-05-26 00:00:00 | FCC App# 989572 | FCC approved transfer of license from GREAT LAKES RADIO, INC. to DAVIDSON MEDIA GROUP, LLC | Reply to |
| 2004-06-14 00:00:00 | FCC App# 996822 | FCC approved transfer of license from DAVIDSON MEDIA GROUP, LLC to DAVIDSON MEDIA STATION WMKM, LLC | Reply to |
| 2004-09-20 00:00:00 | FCC App# 997086 | License Renewed | Reply to |
| 2005-03-10 00:00:00 | FCC App# 1046774 | FCC approved transfer of license from DAVIDSON MEDIA STATION WMKM, LLC to DAVIDSON MEDIA STATION WMKM LICENSEE, LLC | Reply to |
| 2007-07-03 00:00:00 | FCC App# 1193423 | FCC was notified license transfer is complete | Reply to |
| 2014-10-09 02:07:30 | editor | Station Web Site Reviewed | Reply to |
| 2014-10-09 06:42:03 | | Licensee changed from COMMUNICOM CO. OF MICHIGAN, LIMITED PARTNERSHIP to GREAT LAKES RADIO - DETROIT, LLC | Reply to |
| 2016-12-02 07:32:32 | briand75 | Successful Volunteer Test (Windows) - 35 Seconds | Reply to |
| 2024-04-13 17:31:02 | editor | Station Web Site Reviewed | Reply to |
| 2025-08-02 14:48:33 | editor | Updated Schedule URL to https://gospel1440.com/ | Reply to |
