| Frequencies Updated (Updated: 1, Deleted 0) for OilField Services | fast2okc | 2017-07-05 12:05:41 | 
| Frequencies Updated (Updated: 1, Deleted 0) for OilField Services | fast2okc | 2017-07-05 12:04:10 | 
| Frequencies Updated (Updated: 2, Deleted 0) for OilField Services | fast2okc | 2017-07-05 12:03:22 | 
| Changed Subcategory Details For: Halliburton -- Duncan Facility | fast2okc | 2016-06-04 15:06:17 | 
| Subcategory: (Halliburton -- Duncan Facility) migrated to Category (OilField Services) in Agency: (OilField Services) | fast2okc | 2016-06-04 15:03:55 | 
| Changed Subcategory Details For: Targa Pipeline | fast2okc | 2016-05-29 16:36:30 | 
| Frequencies Updated (Updated: 1, Deleted 0) for OilField Services | fast2okc | 2016-05-29 16:35:46 | 
| Frequencies Updated (Updated: 1, Deleted 0) for OilField Services | fast2okc | 2016-05-29 16:34:47 | 
| Changed Subcategory Details For: Targa Pipeline | fast2okc | 2015-07-11 11:53:39 | 
| Added Frequency 461.700 (Targa Pipeline SCADA (Velma)) | fast2okc | 2015-07-11 11:50:14 | 
| Added Subcategory: Targa Pipeline | fast2okc | 2015-07-11 11:47:25 | 
| Frequencies Updated (Updated: 1, Deleted 0) for OilField Services | fast2okc | 2014-04-26 14:47:56 | 
| Sort order changed to  from 0 for subcat: Kleen Oil Field Services | fast2okc | 2014-04-26 14:47:56 | 
| Default Location Data Updated to 34.50 / -97.87 / 25 | fast2okc | 2009-12-22 01:49:44 | 
| Sub-category (Kleen Oil Field Services Sort 50) changed to (Kleen Oil Field Services Sort: 50) | fast2okc | 2009-04-19 22:26:32 | 
| Tagged 1 Frequencies with (Business) | fast2okc | 2008-01-01 21:24:47 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Kleen Oil Field Services | fast2okc | 2008-01-01 21:24:41 | 
| Frequencies updated | fast2okc | 2007-07-11 01:23:52 | 
| Added Frequency 460.725 | fast2okc | 2006-06-04 15:15:29 | 
| Sub-category Kleen Oil Field Services changed | fast2okc | 2006-06-04 15:13:36 | 
| Category OilField Services added | fast2okc | 2006-06-04 15:12:46 |