| Agency (OilField Services [5]) changed to (Oil Field Services [5]) | Starcom21 | 2024-01-17 11:52:37 |
| Subcategory (Hamm and Phillips) deleted | fast2okc | 2023-05-14 22:55:31 |
| Subcategory (Chesapeake Operating) deleted | fast2okc | 2023-05-14 22:52:42 |
| Added Frequency 451.475 (Canadian Valley Gas Plant) | fast2okc | 2019-08-29 07:00:41 |
| Added Subcategory: OneOK | fast2okc | 2019-08-29 06:59:06 |
| Frequencies Updated (Updated: 1, Deleted 0) for Oil Field Services | fast2okc | 2017-04-04 22:01:27 |
| Frequencies Updated (Updated: 5, Deleted 0) for Oil Field Services | fast2okc | 2017-04-04 22:00:48 |
| Frequencies Updated (Updated: 1, Deleted 0) for Oil Field Services | fast2okc | 2017-04-04 21:59:04 |
| Frequencies Updated (Updated: 5, Deleted 0) for Oil Field Services | fast2okc | 2016-05-28 20:03:15 |
| Frequencies Updated (Updated: 1, Deleted 0) for Oil Field Services | fast2okc | 2016-05-28 20:02:30 |
| Frequencies Updated (Updated: 1, Deleted 0) for Oil Field Services | fast2okc | 2016-05-28 20:02:13 |
| Added Frequency 451.1625 (Chesapeake Operating Inc) | fast2okc | 2015-10-13 12:09:56 |
| Added Subcategory: Chesapeake Operating | fast2okc | 2015-10-13 12:08:45 |
| Category (Chesapeake Operating) deleted | fast2okc | 2015-10-13 12:07:15 |
| Added category (Chesapeake Operating 20) | fast2okc | 2015-10-13 12:06:57 |
| Frequencies Updated (Updated: 1, Deleted 0) for Oil Field Services | fast2okc | 2015-09-21 00:42:02 |
| Sort order changed to from 0 for subcat: A & A Tank Truck Company | fast2okc | 2013-08-20 06:47:51 |
| Frequencies Updated (Updated: 1, Deleted 0) for Oil Field Services | fast2okc | 2013-08-20 06:47:51 |
| Changed Subcategory Details For: A & A Tank Truck Company | fast2okc | 2013-08-20 06:46:32 |
| Frequencies Updated (Updated: 1, Deleted 0) for Oil Field Services | fast2okc | 2013-08-20 06:41:09 |
| Sort order changed to from 0 for subcat: A & A Tank Trucks | fast2okc | 2013-08-20 06:41:09 |
| Added Frequency 152.315 (A ) | fast2okc | 2013-08-20 06:39:56 |
| Added Subcategory: A & A Tank Trucks | fast2okc | 2013-08-20 06:38:38 |
| Default Location Data Updated to 35.53 / -98.00 / 25 | fast2okc | 2009-12-21 07:23:14 |
| Frequencies Updated (Updated: 1, Deleted 0) for Schlumberger Technology Corporation | fast2okc | 2009-10-15 21:29:15 |
| Added Frequency 154.600 (Schlumberger Technology Corporation -- Location 2) | fast2okc | 2009-10-15 21:26:34 |
| Added Frequency 151.505 (Schlumberger Technology Corporationn -- Road) | fast2okc | 2009-10-15 21:24:59 |
| Frequencies Updated (Updated: 1, Deleted 0) for Schlumberger Technology Corporation | fast2okc | 2009-10-15 21:23:40 |
| Added Frequency 153.320 ((Voice Inversion)Schlumberger Technology Corporation -- Channel 3 ) | fast2okc | 2009-10-15 21:23:15 |
| Added Frequency 153.1700 (Schlumberger Technology Corporation -- Channel 2 (Voice Inversion)) | fast2okc | 2009-10-15 21:22:09 |
| Added Frequency 153.080 (Schlumberger Technology Corporation -- Channel 1 (Voice Inversion)) | fast2okc | 2009-10-15 21:19:46 |
| Subcategory (Schlumberger Technology Corporation) added to (Oil Field Services) Category | fast2okc | 2009-10-15 21:15:02 |
| Category (Schlumberger Technology Corporation) deleted | fast2okc | 2009-10-15 21:14:24 |
| Subcategory (New SubCategory - CHANGE THIS NAME) deleted | fast2okc | 2009-10-15 21:14:24 |
| Category: (Oil Field Services) migrated to Agency: (OilField Services) | fast2okc | 2009-10-15 21:13:25 |
| Category (Schlumberger Technology Corporation) added | fast2okc | 2009-10-15 21:09:26 |
