| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 1982-10-01 00:00:00 | FCC App# 37519 | FCC approved station to begin licensed operation | Fix Delete Reply to |
| 1982-10-07 00:00:00 | | Call Sign changed from WDTR to WDTR | Fix Delete Reply to |
| 2004-07-01 00:00:00 | | Call Sign changed from WDTR to WRCJ | Fix Delete Reply to |
| 2008-10-18 19:51:49 | | Successful automated test | Fix Delete Reply to |
| 2009-07-31 14:13:23 | WesternMA | Successful Volunteer Test - 37 Seconds | Fix Delete Reply to |
| 2009-10-03 14:10:18 | WesternMA | Successful Volunteer Test - 36 Seconds | Fix Delete Reply to |
| 2010-01-01 09:47:58 | WesternMA | Successful Volunteer Test (Windows) - 30 Seconds | Fix Delete Reply to |
| 2010-05-18 11:37:54 | 3tooz | Successful Volunteer Test (Windows) - 120 Seconds | Fix Delete Reply to |
| 2015-12-22 07:36:15 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2017-03-01 00:00:00 | FCC App# 1752158 | FCC approved transfer of license from BOARD OF EDUCATION, CITY OF DETROIT to DETROIT CLASSICAL AND JAZZ EDUCATIONAL RADIO LLC | Fix Delete Reply to |
| 2017-03-28 06:42:25 | | Licensee changed from BOARD OF EDUCATION, CITY OF DETROIT to DETROIT CLASSICAL AND JAZZ EDUCATIONAL RADIO LLC | Fix Delete Reply to |
| 2018-04-19 15:52:30 | editor | Station Homepage Title changed from WRCJ 90.9 FM — Classical Days. Jazzy Nights - 90.9 FM & HD-1 Detroit to WRCJ 90.9 FM | Classical Days. Jazzy Nights – 90.9 FM & HD-1 Detroit | Fix Delete Reply to |
| 2021-05-02 21:55:24 | editor | Station Homepage Title changed from WRCJ 90.9 FM | Classical Days. Jazzy Nights – 90.9 FM & HD-1 Detroit to WRCJ 90.9 FM | Classical Days. Jazzy Nights – 90.9 FM & HD-1 Detroit | Fix Delete Reply to |
| 2024-06-03 04:36:26 | editor | Station Homepage Title changed from WRCJ 90.9 FM | Classical Days. Jazzy Nights – 90.9 FM & HD-1 Detroit to Detroit’s Classical and Jazz – 90.9 FM & HD-1 Detroit | WRCJ | Fix Delete Reply to |
