| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1981-07-07 00:00:00 | FCC App# 29587 | License Renewed | Reply to |
| 1984-07-31 00:00:00 | FCC App# 68516 | License Renewed | Reply to |
| 1994-09-01 00:00:00 | | Call Sign changed from WKHI to WWVV | Reply to |
| 1994-10-21 00:00:00 | | Call Sign changed from WWVV to WOSC | Reply to |
| 1997-04-07 00:00:00 | FCC App# 202696 | FCC approved station to begin licensed operation | Reply to |
| 2005-02-15 00:00:00 | FCC App# 1020376 | FCC approved station to begin licensed operation | Reply to |
| 2009-12-02 02:46:06 | | Successful automated test | Reply to |
| 2011-07-28 18:03:54 | | Successful automated test | Reply to |
| 2013-06-16 20:29:19 | editor | verifiedtime changed to 6/16/2013 8:29:19 PM | Reply to |
| 2018-04-12 00:00:00 | FCC App# 1780776 | FCC approved transfer of license from CAPSTAR TX, LLC to CAPSTAR TX, LLC, AS DEBTOR IN POSSESSION | Reply to |
| 2018-04-20 06:42:20 | | Licensee changed from CAPSTAR TX, LLC to CAPSTAR TX, LLC, AS DEBTOR IN POSSESSION | Reply to |
| 2019-02-15 00:00:00 | FCC App# 1796044 | FCC request to transfer license from CAPSTAR TX, LLC, AS DEBTOR IN POSSESSION to CAPSTAR TX, LLC superceded | Reply to |
| 2019-05-03 06:42:19 | | Licensee changed from CAPSTAR TX, LLC, AS DEBTOR IN POSSESSION to CAPSTAR TX, LLC | Reply to |
