| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 0000-00-00 00:00:00 | | Call Sign changed from KPBXFM to KPBX | Reply to |
| 1981-09-30 00:00:00 | FCC App# 16718 | FCC approved station to begin licensed operation | Reply to |
| 2008-09-21 20:38:41 | w5mx | Stream working - 59 Seconds | Reply to |
| 2009-08-13 02:38:55 | editor | Successful Volunteer Test - 24 Seconds | Reply to |
| 2009-08-13 02:39:03 | editor | Quality rating set to 6 | Reply to |
| 2010-10-06 23:29:42 | editor | Successful Volunteer Test (Windows) - 42 Seconds | Reply to |
| 2014-10-03 05:43:22 | editor | Updated Station URL to http://www.kpbx.org/ | Reply to |
| 2014-10-03 05:43:50 | editor | Station Web Site Reviewed | Reply to |
| 2024-03-11 22:12:26 | editor | Updated Station URL to https://www.spokanepublicradio.org/ | Reply to |
