| Agency: District of Columbia Railroads changed from Railroads (Railroad) to District of Columbia Railroads (Railroad) | Jonathan7 | 2018-02-08 11:42:49 |
| Frequencies Updated (Updated: 3, Deleted 0) for Railroads | dtscho | 2015-04-16 17:05:39 |
| Sort order changed to from 0 for subcat: Amtrak | dtscho | 2015-04-16 17:05:38 |
| Frequencies Updated (Updated: 2, Deleted 0) for Railroads | dtscho | 2013-12-08 23:06:44 |
| Sort order changed to from 0 for subcat: Amtrak | dtscho | 2013-12-08 23:06:44 |
| Frequencies Updated (Updated: 1, Deleted 0) for Railroads | ericcarlson | 2013-12-07 16:59:08 |
| Sort order changed to from 0 for subcat: Amtrak | ericcarlson | 2013-12-07 16:59:08 |
| Added Frequency 161.295 (Police Ivy City) | ericcarlson | 2013-12-07 16:57:33 |
| Frequencies Updated (Updated: 2, Deleted 0) for Railroads | ericcarlson | 2013-12-07 16:57:00 |
| Sort order changed to from 0 for subcat: Amtrak | ericcarlson | 2013-12-07 16:57:00 |
| Frequencies Updated (Updated: 4, Deleted 0) for Railroads | dtscho | 2011-10-21 13:33:12 |
| Sort order changed to from 0 for subcat: Amtrak | dtscho | 2011-10-21 13:33:12 |
| Changed Subcategory Details For: Amtrak | dtscho | 2011-10-21 13:20:54 |
| Sub-category: Washington Metropolitan Area Transit Authority migrated to: Washington Metropolitan Area Transit Authority (WMATA) | ericcarlson | 2009-12-19 20:58:00 |
| TRS Link to 2721 removed | ericcarlson | 2009-12-19 20:56:52 |
| Sub-category (Washington Metropolitan Area Transit Authority Sort 99) changed to (Washington Metropolitan Area Transit Authority | ericcarlson | 2009-12-19 20:56:27 |
| Added a related trunking system | ericcarlson | 2009-12-19 20:56:19 |
| Tagged 1 Frequencies with (Law Dispatch) | ericcarlson | 2009-12-19 20:55:41 |
| Frequencies Updated (Updated: 0, Deleted 0) for Washington Metropolitan Area Transit Authority | ericcarlson | 2009-12-19 20:55:41 |
| Tagged 8 Frequencies with (Transportation) | ericcarlson | 2009-12-19 20:55:34 |
| Frequencies Updated (Updated: 0, Deleted 0) for Washington Metropolitan Area Transit Authority | ericcarlson | 2009-12-19 20:55:32 |
| Added Frequency 160.35 (Washington Terminal Ops 2) | dtscho | 2009-05-24 15:19:19 |
| Added Frequency 160.29 (Washington Terminal Ops 1) | dtscho | 2009-05-24 15:18:56 |
| Added Frequency 160.44 (Washington Terminal Operations) | dtscho | 2009-05-05 16:21:03 |
| Frequencies updated | ericcarlson | 2005-05-04 16:25:36 |
| Frequencies updated | ericcarlson | 2005-03-28 13:49:07 |
| TRS Link to 2721 Added | ericcarlson | 2005-03-28 13:46:48 |
| Category deleted | ericcarlson | 2005-03-28 13:45:49 |
| Migrated sub-categories | ericcarlson | 2005-03-28 13:45:47 |
| Sub-category Amtrak added | ericcarlson | 2005-03-28 13:45:43 |
| Category Railroads changed | ericcarlson | 2005-03-28 13:45:39 |
| Category Railroads changed | ericcarlson | 2005-03-28 13:45:34 |
