| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1985-12-03 00:00:00 | | Call Sign changed from 830809AH to KTDR | Reply to |
| 1986-06-16 00:00:00 | FCC App# 87067 | FCC approved station to begin licensed operation | Reply to |
| 1991-10-31 00:00:00 | FCC App# 145801 | License Renewed | Reply to |
| 1997-08-22 00:00:00 | FCC App# 245036 | License Renewed | Reply to |
| 2005-03-03 00:00:00 | FCC App# 1047626 | FCC request to transfer license from GRANDE BROADCASTING, INC. to GRANDE BROADCASTING OF DEL RIO, INC. superceded | Reply to |
| 2005-03-08 00:00:00 | FCC App# 1028546 | FCC request to transfer license from GRANDE BROADCASTING to SPECTRUM BROADCASTING, INC. superceded | Reply to |
| 2005-08-09 00:00:00 | FCC App# 1049249 | License Renewed | Reply to |
| 2008-10-18 13:49:33 | | Successful automated test | Reply to |
| 2009-03-28 14:24:41 | editor | Doesn't connect, moved to MySpace | Reply to |
| 2009-09-23 00:00:00 | FCC App# 1326731 | FCC request to transfer license from GRANDE BROADCASTING, INC. to GRANDE BROADCASTING OF DEL RIO, INC. superceded | Reply to |
| 2009-10-05 00:00:00 | FCC App# 1334552 | FCC approved transfer of license from GRANDE BROADCASTING, INC. to GRANDE BROADCASTING OF DEL RIO, INC. | Reply to |
| 2010-01-01 00:00:00 | FCC App# 1351915 | FCC was notified license transfer is complete | Reply to |
| 2010-05-03 00:00:00 | FCC App# 1365832 | FCC was notified license transfer is complete | Reply to |
| 2011-05-05 05:54:29 | editor | Marked as working | Reply to |
| 2011-12-14 01:14:53 | editor | Marked as working | Reply to |
| 2011-12-14 01:14:53 | editor | streams changed to -1 | Reply to |
| 2011-12-14 01:14:54 | editor | verifiedtime changed to 12/14/2011 1:14:54 AM | Reply to |
| 2012-03-30 00:00:00 | FCC App# 1487061 | FCC approved transfer of license from GRANDE BROADCASTING OF DEL RIO, INC. to MBM RADIO DEL RIO LLC | Reply to |
| 2012-04-30 00:00:00 | FCC App# 1494618 | FCC was notified license transfer is complete | Reply to |
| 2013-08-19 00:00:00 | FCC App# 1544962 | License Renewed | Reply to |
| 2014-10-24 09:50:30 | editor | All Station Information reset | Reply to |
| 2014-10-24 09:52:17 | editor | Station Web Site Reviewed | Reply to |
| 2015-02-12 00:00:00 | FCC App# 1670881 | FCC was notified license transfer is complete | Reply to |
| 2024-03-23 18:48:03 | editor | Station Format updated from No Web Site to Abandoned Site | Reply to |
| 2024-03-23 19:18:01 | editor | Station Web Site Reviewed | Reply to |