| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1991-08-23 00:00:00 | | Call Sign changed from 900523MA to KZTS | Fix Delete Reply to |
| 1992-11-27 00:00:00 | | Call Sign changed from KZTS to KZKK | Fix Delete Reply to |
| 1994-08-30 00:00:00 | FCC App# 187688 | FCC approved station to begin licensed operation | Fix Delete Reply to |
| 1997-03-28 00:00:00 | FCC App# 236766 | License Renewed | Fix Delete Reply to |
| 2005-03-30 00:00:00 | FCC App# 1033298 | License Renewed | Fix Delete Reply to |
| 2013-03-22 00:00:00 | FCC App# 1530778 | License Renewed | Fix Delete Reply to |
| 2013-09-01 02:11:01 | editor | verifiedtime changed to 9/1/2013 2:11:01 AM | Fix Delete Reply to |
| 2013-09-01 02:11:31 | editor | verifiedtime changed to 9/1/2013 2:11:31 AM | Fix Delete Reply to |
| 2013-09-01 02:12:14 | editor | verifiedtime changed to 9/1/2013 2:12:14 AM | Fix Delete Reply to |
| 2014-07-29 00:00:00 | FCC App# 1638438 | FCC request to transfer license from DAKOTA COMMUNICATIONS, LTD. to RIVERFRONT BROADCASTING, LLC superceded | Fix Delete Reply to |
| 2014-07-30 00:00:00 | FCC App# 1645200 | FCC approved transfer of license from DAKOTA COMMUNICATIONS, LTD. to RIVERFRONT BROADCASTING, LLC | Fix Delete Reply to |
| 2014-09-20 10:13:44 | janderson021 | Station Web Site Reviewed | Fix Delete Reply to |
| 2014-09-23 06:42:05 | | Licensee changed from DAKOTA COMMUNICATIONS, LTD. to RIVERFRONT BROADCASTING, LLC | Fix Delete Reply to |
| 2015-01-05 00:00:00 | FCC App# 1666364 | FCC received application to Remain Silent | Fix Delete Reply to |
| 2015-07-25 23:31:52 | editor | Marked as not Under Construction | Fix Delete Reply to |
| 2015-12-23 08:51:14 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2016-01-09 08:42:33 | editor | Updated Station URL to http://www.performance-radio.com/ | Fix Delete Reply to |
| 2016-01-09 08:43:53 | editor | Updated Station URL to http://www.riverfrontbroadcasting.com/stations/ | Fix Delete Reply to |
| 2016-01-09 08:45:20 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2016-11-24 05:20:35 | charlottenc | Station Format updated from Vewy Quiet to Unknown Format | Fix Delete Reply to |
| 2016-11-24 05:20:39 | charlottenc | Station Web Site Reviewed | Fix Delete Reply to |
| 2016-12-29 00:00:00 | FCC App# 1752730 | FCC received request to transfer license from RIVERFRONT BROADCASTING, LLC to NEDVED MEDIA, LLC | Fix Delete Reply to |
| 2016-12-29 00:00:00 | FCC App# 1751940 | FCC received request to transfer license from RIVERFRONT BROADCASTING, LLC to NEDVED MEDIA, LLC | Fix Delete Reply to |
| 2016-12-29 00:00:00 | FCC App# 1751078 | FCC received request to transfer license from RIVERFRONT BROADCASTING, LLC to NEDVED MEDIA, LLC | Fix Delete Reply to |
| 2016-12-29 00:00:00 | FCC App# 1747770 | FCC received request to transfer license from RIVERFRONT BROADCASTING, LLC to NEDVED MEDIA, LLC | Fix Delete Reply to |
| 2017-02-16 00:00:00 | FCC App# 1747770 | FCC request to transfer license from RIVERFRONT BROADCASTING, LLC to NEDVED MEDIA, LLC superceded | Fix Delete Reply to |
| 2017-03-09 00:00:00 | FCC App# 1752730 | FCC approved transfer of license from RIVERFRONT BROADCASTING, LLC to NEDVED MEDIA, LLC | Fix Delete Reply to |
| 2017-03-09 00:00:00 | FCC App# 1751940 | FCC request to transfer license from RIVERFRONT BROADCASTING, LLC to NEDVED MEDIA, LLC superceded | Fix Delete Reply to |
| 2019-07-27 13:19:53 | editor | Automated Update of homepage URL from http://www.korncountry921.com/ to https://korncountry921.com/ | Fix Delete Reply to |
| 2025-08-02 23:57:33 | editor | Updated Schedule URL to https://korncountry921.com/ | Fix Delete Reply to |
