| Added Frequency 153.5525 (Hughesville) | dtscho | 2024-03-09 15:12:50 |
| Added Frequency 153.29 (Hughesville) | dtscho | 2024-03-09 15:12:07 |
| Frequencies Updated (2) | dtscho | 2024-03-09 15:08:53 |
| Added Frequency 153.5375 (Charles County) | dtscho | 2024-03-09 15:08:04 |
| Added Frequency 153.2675 (Charles County) | dtscho | 2024-03-09 15:07:26 |
| Added Frequency 463.9625 (Washington Suburban Sanitary Commission) | dtscho | 2024-03-08 16:16:57 |
| Added Subcategory: (Utilities/Washington Suburban Sanitary Commission) | dtscho | 2024-03-08 16:15:51 |
| Frequencies Updated (Updated: 2, Deleted 0) for Utilities | dtscho | 2021-03-17 02:41:18 |
| Added Frequency 151.7375 (Southern Maryland Electric Cooperative) | dtscho | 2021-03-17 02:40:18 |
| Changed Subcategory Details For: Southern Maryland Electric Cooperative (SMECO) | dtscho | 2021-03-02 03:28:16 |
| Frequencies Updated (Updated: 1, Deleted 0) for Utilities | dtscho | 2021-03-02 03:21:32 |
| Frequencies Updated (Updated: 1, Deleted 0) for Utilities | dtscho | 2021-03-02 03:21:19 |
| Frequencies Updated (Updated: 1, Deleted 0) for Utilities | dtscho | 2021-03-02 03:17:21 |
| Changed Subcategory Details For: NRG Energy | dtscho | 2021-03-02 03:16:54 |
| Frequencies Updated (Updated: 0, Deleted 1) for Utilities | dtscho | 2021-03-02 03:09:50 |
| Agency: Utilities changed from Businesses (Business Group) to Utilities (Business Group) | dtscho | 2021-03-02 02:53:18 |
| Added Frequency 153.3275 (Prince Frederick) | dtscho | 2021-03-02 02:51:41 |
| Added Frequency 153.7025 (Lexington Park) | dtscho | 2021-03-02 02:51:07 |
| Added Frequency 151.9775 (Leonardtown) | dtscho | 2021-03-02 02:50:07 |
| Added Frequency 153.4925 (Leonardtown) | dtscho | 2021-03-02 02:49:22 |
| Added Subcategory: Southern Maryland Electric Cooperative | dtscho | 2021-03-02 02:47:44 |
| Changed Subcategory Details For: Miscellaneous | dtscho | 2021-03-02 02:45:39 |
| Changed category from (Businesses 99) to (Utilities 99) | dtscho | 2021-03-02 02:45:20 |
| Added Frequency 452.75 (NRG Energy - Morgantown Generating Station - Security) | dtscho | 2017-03-06 12:19:11 |
| Frequencies Updated (Updated: 1, Deleted 0) for Utilities | Gilligan | 2011-07-27 12:15:02 |
| Tagged 1 Frequencies with (Data) | Dispatcher308 | 2008-06-01 05:47:28 |
| Tagged 0 Frequencies with (Data) | Dispatcher308 | 2008-06-01 05:47:24 |
| Added Frequency 153.575 | ericcarlson | 2007-08-31 12:20:50 |
| Sub-category Utilities changed | ericcarlson | 2007-08-31 12:20:24 |
| Category Businesses added | ericcarlson | 2007-08-31 12:20:19 |
