| Frequencies Updated (1) | Starcom21 | 2026-08-16 01:35:47 |
| Added Frequency 461.05 (IndyCar Ops 1000) | Starcom21 | 2026-08-16 01:35:26 |
| Frequencies Updated (1) | Starcom21 | 2026-06-07 15:04:40 |
| Frequencies Updated (2) | Starcom21 | 2026-06-07 15:02:13 |
| Added Frequency 461.05 (nascar) | Starcom21 | 2026-06-07 14:52:08 |
| Updated Agency Description Text | Starcom21 | 2024-12-24 21:43:15 |
| Updated Agency Description Text | Starcom21 | 2024-12-16 12:47:49 |
| Updated Agency Description Text | Starcom21 | 2024-12-16 12:47:46 |
| Updated Subcategory: (Operations) | Starcom21 | 2024-12-16 12:47:26 |
| Updated Subcategory: (Operations) | Starcom21 | 2024-08-16 09:22:32 |
| Updated Agency Location Details | Starcom21 | 2024-08-16 09:09:48 |
| Updated Agency Location Details | Starcom21 | 2024-08-16 09:09:43 |
| Deleted Subcategory: (World Wide Technology Raceway/Blank) | Starcom21 | 2024-08-16 09:09:14 |
| Subcategory: (NASCAR Operations) migrated to Category: (World Wide Technology Raceway) in Agency: World Wide Technology Raceway (Madison) | Starcom21 | 2024-08-16 09:02:22 |
| Subcategory: (Operations) migrated to Category: (World Wide Technology Raceway) in Agency: World Wide Technology Raceway (Madison) | Starcom21 | 2024-08-16 09:02:14 |
| Category (World Wide Technology Raceway) added | Starcom21 | 2024-08-16 09:02:01 |
| Agency (World Wide Technology Raceway (Madison)) added | Starcom21 | 2024-08-16 09:01:15 |
