| Changed Subcategory Details For: Air Traffic Control (Oakland Center) | kma371 | 2017-12-20 09:12:58 |
| Changed Subcategory Details For: Air Traffic Control (NORCAL) | kma371 | 2017-12-19 07:49:47 |
| Changed Subcategory Details For: Air Traffic Control (NORCAL) | kma371 | 2017-12-18 07:42:56 |
| Changed Subcategory Details For: Air Traffic Control (NORCAL) | kma371 | 2015-11-02 08:36:51 |
| Frequencies Updated (Updated: 0, Deleted 2) for Pine Mountain Lake (E45) | kma371 | 2015-11-01 18:21:06 |
| Changed Subcategory Details For: Air Traffic Control (Oakland Center) | kma371 | 2015-11-01 18:21:03 |
| Changed Subcategory Details For: Air Traffic Control (NORCAL) | kma371 | 2015-11-01 16:21:29 |
| Frequencies Updated (Updated: 0, Deleted 6) for Columbia (O22) | kma371 | 2015-11-01 16:21:03 |
| Updated 4 Subcategories | kma371 | 2015-11-01 16:19:39 |
