| Updated Agency Description Text | N9JIG | 2023-09-25 01:45:58 | 
| Updated Agency Description Text | N9JIG | 2023-09-25 01:45:53 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2020-11-01 17:27:50 | 
| Changed Subcategory Details For: Rawlins Subdivision | PJH | 2020-11-01 17:27:34 | 
| Changed Subcategory Details For: Laramie Subdivision | PJH | 2020-11-01 17:26:45 | 
| Frequencies Updated (Updated: 2, Deleted 0) for Union Pacific | PJH | 2020-11-01 17:26:17 | 
| Changed Subcategory Details For: Laramie Subdivision | PJH | 2020-11-01 17:25:36 | 
| Frequencies Updated (Updated: 0, Deleted 1) for Union Pacific | PJH | 2020-08-26 23:26:08 | 
| Frequencies Updated (Updated: 0, Deleted 1) for Union Pacific | PJH | 2020-08-26 23:25:20 | 
| Frequencies Updated (Updated: 2, Deleted 0) for Union Pacific | PJH | 2020-08-26 23:25:15 | 
| Frequencies Updated (Updated: 2, Deleted 0) for Union Pacific | PJH | 2020-08-26 23:24:31 | 
| Added Frequency 160.74 (Benton to Rawlins) | PJH | 2020-08-26 23:24:20 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2020-08-26 23:23:51 | 
| Frequencies Updated (Updated: 0, Deleted 1) for Union Pacific | PJH | 2020-08-26 23:23:19 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2020-08-26 23:22:49 | 
| Changed Subcategory Details For: Big Horn Subdivision | PJH | 2018-04-21 20:04:04 | 
| Frequencies Updated (Updated: 2, Deleted 0) for BNSF Railway | PJH | 2018-04-21 19:50:55 | 
| Frequencies Updated (Updated: 0, Deleted 1) for BNSF Railway | PJH | 2018-04-21 19:48:17 | 
| Frequencies Updated (Updated: 2, Deleted 0) for BNSF Railway | PJH | 2018-04-21 19:48:06 | 
| Frequencies Updated (Updated: 0, Deleted 1) for BNSF Railway | PJH | 2018-04-21 19:46:07 | 
| Frequencies Updated (Updated: 1, Deleted 0) for BNSF Railway | PJH | 2018-04-21 19:45:54 | 
| Frequencies Updated (Updated: 4, Deleted 0) for BNSF Railway | PJH | 2018-04-21 19:43:58 | 
| Frequencies Updated (Updated: 1, Deleted 0) for BNSF Railway | PJH | 2018-04-21 19:41:57 | 
| Frequencies Updated (Updated: 1, Deleted 0) for BNSF Railway | PJH | 2018-04-21 19:41:40 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2017-10-30 19:16:26 | 
| Frequencies Updated (Updated: 0, Deleted 1) for Union Pacific | PJH | 2017-06-27 06:09:42 | 
| Frequencies Updated (Updated: 3, Deleted 0) for Union Pacific | PJH | 2017-06-27 06:09:26 | 
| Changed category from (Burlington Northern Santa Fe 1) to (BNSF Railway 1) | PJH | 2017-06-18 17:45:29 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2017-04-23 20:16:34 | 
| Added Frequency 160.260 (Green River to Granger Switching) | PJH | 2017-04-23 20:15:25 | 
| Added Frequency 160.410 (Granger to Pocatello) | PJH | 2017-04-23 20:09:17 | 
| Added Subcategory: Pocatello Subdivision | PJH | 2017-04-23 20:08:33 | 
| Added Frequency 160.41000 (Maintenance of Way) | PJH | 2017-03-09 20:09:05 | 
| Changed Subcategory Details For: Laramie Subdivision | PJH | 2016-06-24 17:19:45 | 
| Changed Subcategory Details For: Greeley Subdivision | PJH | 2016-06-08 01:23:00 | 
| Changed Subcategory Details For: Greely Subdivision | PJH | 2016-06-08 01:22:15 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:21:20 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:18:31 | 
| Added Frequency 161.145 (Carr CO to Speer WY) | PJH | 2016-06-08 01:18:16 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:17:39 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:15:23 | 
| Added Frequency 160.515 (Granger to Cecil Jct UT) | PJH | 2016-06-08 01:15:10 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:14:06 | 
| Frequencies Updated (Updated: 2, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:13:10 | 
| Added Frequency 160.47 (Speer Jct to May) | PJH | 2016-06-08 01:12:19 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:11:47 | 
| Frequencies Updated (Updated: 2, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:10:46 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:09:47 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:09:27 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2016-06-08 01:09:01 | 
| Added Frequency 160.680 (North Platte West to O'Fallons) | PJH | 2016-06-08 01:08:44 | 
| Changed Subcategory Details For: Powder River Subdivision | PJH | 2016-01-27 16:28:47 | 
| Changed Subcategory Details For: Coal Mine Operations | PJH | 2016-01-27 16:27:41 | 
| Added Frequency 160.38 (Antelope Mine) | PJH | 2016-01-27 16:26:43 | 
| Added Frequency 160.575 (Rochelle Mine) | PJH | 2016-01-27 16:26:13 | 
| Frequencies Updated (Updated: 2, Deleted 0) for Powder River Coal Mines | PJH | 2016-01-27 16:25:42 | 
| Frequencies Updated (Updated: 2, Deleted 0) for Powder River Coal Mines | PJH | 2016-01-27 16:24:58 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Powder River Coal Mines | PJH | 2016-01-27 16:23:48 | 
| Added Frequency 161.235 (Coal Creek Mine) | PJH | 2016-01-27 16:23:09 | 
| Added Frequency 160.38 (Cordero Mine) | PJH | 2016-01-27 16:22:22 | 
| Frequencies Updated (Updated: 3, Deleted 0) for Powder River Coal Mines | PJH | 2016-01-27 16:21:13 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Powder River Coal Mines | PJH | 2016-01-27 16:19:42 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Powder River Coal Mines | PJH | 2016-01-27 16:19:36 | 
| Added Frequency 160.575 (Caballo Mine) | PJH | 2016-01-27 16:19:02 | 
| Added Subcategory: Coal Mine Operations | PJH | 2016-01-27 16:17:19 | 
| Changed category from (Powder River Coal Mins 90) to (Powder River Coal Mines 90) | PJH | 2016-01-27 16:14:23 | 
| Added category (Powder River Coal Mins 90) | PJH | 2016-01-27 16:14:12 | 
| General text description updated | PJH | 2015-12-31 17:38:22 | 
| General text description updated | PJH | 2015-12-31 17:18:32 | 
| General text description updated | PJH | 2015-12-21 02:55:11 | 
| Changed Subcategory Details For: Laramie Subdivision | PJH | 2015-10-07 08:57:48 | 
| General text description updated | PJH | 2015-10-07 08:56:58 | 
| Changed Subcategory Details For: Sidney Subdivision | PJH | 2015-10-07 08:41:53 | 
| Changed Subcategory Details For: Casper Subdivision | PJH | 2015-10-07 08:40:21 | 
| Changed Subcategory Details For: Black Hills Subdivision | PJH | 2015-10-07 08:38:18 | 
| Changed Subcategory Details For: Big Horn Subdivision | PJH | 2015-10-07 08:36:50 | 
| Changed Subcategory Details For: Swan Ranch Railroad | PJH | 2015-10-07 08:28:37 | 
| Changed category from (Union Pacific 3) to (Union Pacific 1) | PJH | 2015-10-07 08:27:35 | 
| Changed category from (Burlington Northern Santa Fe 2) to (Burlington Northern Santa Fe 1) | PJH | 2015-10-07 08:27:28 | 
| Changed Subcategory Details For: Evanston Subdivision | PJH | 2015-10-07 08:27:17 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2015-10-07 08:26:17 | 
| Added Frequency 160.680 (Soda Ash Mine Leads) | PJH | 2015-10-07 08:26:04 | 
| Added Frequency 160.230 (Jim Bridger Industrial Lead) | PJH | 2015-10-07 08:23:03 | 
| Added Frequency 161.250 (South Pass Industrial Lead - Rock Springs) | PJH | 2015-10-07 08:22:10 | 
| Changed Subcategory Details For: Swan Ranch Railroad | PJH | 2015-09-18 21:29:03 | 
| Changed Subcategory Details For: Swan Ranch Railroad | PJH | 2015-09-18 21:28:29 | 
| Changed Subcategory Details For: Swan Ranch Railroad | PJH | 2015-09-18 21:27:52 | 
| Changed Subcategory Details For: Greely Subdivision | PJH | 2015-09-17 17:18:38 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2015-09-17 17:17:34 | 
| General text description updated | PJH | 2015-06-13 22:20:23 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2014-01-12 23:07:56 | 
| Sort order changed to  from 0 for subcat: Rawlins Subdivision | PJH | 2014-01-12 23:07:56 | 
| Sort order changed to  from 0 for subcat: Rawlins Subdivision | PJH | 2014-01-12 23:06:30 | 
| Frequencies Updated (Updated: 1, Deleted 0) for Union Pacific | PJH | 2014-01-12 23:06:30 | 
| Sort order changed to  from 0 for subcat: Rawlins Subdivision | PJH | 2014-01-12 23:03:25 | 
| Frequencies Updated (Updated: 3, Deleted 0) for Union Pacific | PJH | 2014-01-12 23:03:25 | 
| Added Frequency 161.07 (Rawlins Fuel Rack) | PJH | 2014-01-12 23:01:12 | 
| Changed Subcategory Details For: Valley Subdivsion | PJH | 2014-01-09 23:36:27 | 
| Changed Subcategory Details For: Cody Subdivision | PJH | 2014-01-09 23:35:17 | 
| Changed Subcategory Details For: Front Range Subdivision | PJH | 2014-01-09 23:34:45 |