| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1985-03-15 00:00:00 | | Call Sign changed from WMAR to WMKR | Reply to |
| 1986-10-17 00:00:00 | | Call Sign changed from WMKR to WWMX | Reply to |
| 1989-06-12 00:00:00 | FCC App# 113448 | License Renewed | Reply to |
| 2003-09-30 00:00:00 | FCC App# 657499 | License Renewed | Reply to |
| 2003-11-25 00:00:00 | FCC App# 696718 | FCC approved transfer of license from INFINITY RADIO OPERATIONS INC. to INFINITY RADIO INC. | Reply to |
| 2008-10-20 06:38:30 | editor | Successful Volunteer Test - 59 Seconds | Reply to |
| 2009-08-07 15:11:16 | 3tooz | Successful Volunteer Test - 62 Seconds | Reply to |
| 2010-03-02 15:23:26 | WesternMA | Successful Volunteer Test (Windows) - 104 Seconds | Reply to |
| 2010-11-25 00:18:36 | | Successful automated test | Reply to |
