| Updated Subcategory: (Cement ) | fast2okc | 2025-08-09 17:54:13 |
| Frequencies Updated (1) | fast2okc | 2025-08-09 17:48:09 |
| Frequencies Updated (1) | fast2okc | 2025-08-09 17:45:04 |
| Frequencies Updated (1) | fast2okc | 2025-08-09 17:44:36 |
| Added Frequency 153.575 (Cement Plant Operations) | fast2okc | 2025-08-09 17:43:00 |
| Frequencies Updated (Updated: 1, Deleted 0) for Construction | fast2okc | 2022-02-05 20:04:34 |
| Changed Subcategory Details For: Cement | fast2okc | 2022-02-05 20:01:00 |
| Subcategory: (Construction) migrated to Category (Construction) in Agency: (Business) | fast2okc | 2022-02-05 19:59:44 |
| Added category (Construction 20) | fast2okc | 2022-02-05 19:58:38 |
| Agency: Business changed from Business (Federal) to Business (Business Group) | fast2okc | 2022-02-05 19:53:20 |
