| Geier Radio System System Updated (Updated System Description Text) | theaton | 2025-08-06 19:20:04 |
| Geier Radio System System Updated (Changed Site # 002 (Orientis Surge) to 2 (Orientis Surge)) | theaton | 2025-07-31 21:28:15 |
| Updated Subcategory: (Amateur Radio) | theaton | 2025-07-31 12:23:39 |
| Added related trunked system (Geier Radio System) to subcategory: (Amateur Radio) | theaton | 2025-07-31 12:23:32 |
| Geier Radio System System Updated (Updated General System Details) | theaton | 2025-07-31 12:20:36 |
| Agency: (Walworth County Businesses) was updated | theaton | 2025-06-01 13:24:54 |
| Agency: (Walworth County Businesses) was updated | theaton | 2025-06-01 13:23:18 |
| Agency: (Walworth County Businesses) was updated | theaton | 2025-06-01 13:22:57 |
| Agency: (Walworth County Businesses) was updated | theaton | 2025-06-01 13:20:25 |
| Agency (Walworth County Businesses) added | theaton | 2025-06-01 13:20:25 |
| South Dakota State Radio System System Updated (Changed Site # 027 (Lowry) to 27 (Lowry)) | theaton | 2024-10-04 21:54:15 |
| South Dakota State Radio System System Updated (Added FCC Callsign: WPWF338 to Site: (027) Lowry) | theaton | 2024-10-04 21:53:54 |
| Frequencies Deleted (1) | theaton | 2023-12-20 17:34:59 |
| Frequencies Updated (1) | theaton | 2023-12-03 13:54:06 |
| Added Frequency 154.145 (Dispatch Analog Repeater) | theaton | 2023-12-01 03:05:56 |
| Added Subcategory: (Walworth County/Mobridge) | theaton | 2023-12-01 03:04:48 |
| South Dakota State Radio System System Updated (Deleted Site # 027 (Lowry)) | theaton | 2023-08-24 16:15:06 |
| South Dakota State Radio System (P25) System Updated (Added Site # 27 (Lowry)) | theaton | 2023-08-24 16:02:45 |
| Frequencies Updated (1) | theaton | 2023-08-12 11:49:44 |
| Added Frequency 158.82 (War Hawk Civil Defense) | theaton | 2023-08-12 11:49:08 |
| Frequencies Updated (Updated: 1, Deleted 0) for Walworth County | theaton | 2023-06-15 03:26:41 |
| South Dakota State Radio System (P25) System Updated (Imported talkgroups (4 Added, 0 Updated) for Walworth County) | theaton | 2023-01-15 15:32:30 |
| Agency: (Airports) was updated | theaton | 2022-11-09 23:42:18 |
| Agency: (Airports) was updated | theaton | 2022-11-09 23:41:47 |
| Agency: (Airports) was updated | theaton | 2022-11-09 23:41:02 |
| Agency: (Airports) was updated | theaton | 2022-11-09 23:40:57 |
| Agency: (Airports) was updated | theaton | 2022-11-09 23:39:47 |
| Agency: (Airports) was updated | theaton | 2022-11-09 23:39:29 |
| Agency: Airports added | theaton | 2022-11-09 23:35:19 |
| Basin Electric Power Cooperative System Updated (Updated Sites) | kurtswaney | 2022-11-06 22:47:29 |
| Basin Electric Power Cooperative System Updated (Updated Sites) | kurtswaney | 2022-11-02 11:55:45 |
| Basin Electric Power Cooperative System Updated (Updated Sites) | kurtswaney | 2022-11-02 11:53:34 |
| Basin Electric Power Cooperative System Updated (Updated Sites) | kurtswaney | 2022-11-02 11:50:18 |
| System Updated (Changed Site # 16410 (Boradland, SD) to 16410 (Broadland, SD)) | kurtswaney | 2022-10-31 16:25:48 |
| 1 Frequencies imported | theaton | 2021-07-25 16:08:59 |
| Added Subcategory: Amateur Radio | theaton | 2021-07-25 16:08:13 |
| Added category (Amateur Radio in Walworth County 99) | theaton | 2021-07-25 16:07:45 |
| Frequencies Updated (Updated: 1, Deleted 0) for Walworth County | theaton | 2017-01-08 15:13:24 |
| Tagged 1 Frequencies with (Hospital) | theaton | 2017-01-08 15:13:15 |
| Frequencies Updated (Updated: 1, Deleted 0) for Walworth County | theaton | 2017-01-08 15:12:57 |
| 1 Frequencies imported | theaton | 2017-01-08 15:12:40 |
| South Dakota State Radio System System Updated (Changed Site # 027 (Lowry) to 027 (Lowry)) | PJH | 2016-10-03 14:33:31 |
| Frequencies Updated (Updated: 0, Deleted 1) for Walworth County | theaton | 2015-09-27 15:38:24 |
| 1 Frequencies imported | theaton | 2015-09-27 15:37:04 |
| Rees Communications (Mobridge) System Updated (Updated General Trunked System Information) | theaton | 2014-06-10 12:53:45 |
| Rees Communications: Mobridge System Updated (Added Talkgroup 16 Test) | theaton | 2014-06-10 12:52:59 |
| Rees Communications: Mobridge System Updated (Added Talkgroup Category: All) | theaton | 2014-06-10 12:52:39 |
| Sort order changed to from 0 for subcat: Walworth County | theaton | 2013-12-20 01:09:18 |
| Frequencies Updated (Updated: 1, Deleted 0) for Walworth County | theaton | 2013-12-20 01:09:18 |
| Sort order changed to from 0 for subcat: Walworth County | theaton | 2013-12-20 01:09:18 |
| Tagged 1 Frequencies with (Fire Dispatch) | theaton | 2013-12-20 01:09:02 |
| Sort order changed to from 0 for subcat: Walworth County | theaton | 2013-12-20 01:09:02 |
| Frequencies Updated (Updated: 3, Deleted 0) for Walworth County | theaton | 2013-12-20 01:08:47 |
| Sort order changed to from 0 for subcat: Walworth County | theaton | 2013-12-20 01:08:47 |
| Tagged 1 Frequencies with (Fire-Tac) | NDRADIONUT | 2012-07-19 15:12:34 |
| Sort order changed to from 0 for subcat: Walworth County | NDRADIONUT | 2012-07-19 15:12:34 |
| Frequencies Updated (Updated: 1, Deleted 0) for Walworth County | NDRADIONUT | 2012-07-19 15:12:22 |
| Sort order changed to from 0 for subcat: Walworth County | NDRADIONUT | 2012-07-19 15:12:22 |
| 1 Frequencies imported | NDRADIONUT | 2012-07-19 15:11:32 |
| Sub-category (Walworth County Sort 10) changed to (Walworth County Sort: 10) | NDRADIONUT | 2010-12-30 07:11:25 |
| Added a related trunking system | NDRADIONUT | 2010-12-30 07:11:23 |
| Default Location Data Updated to 45.45 / -100.1 / 25 | NDRADIONUT | 2010-11-22 06:27:17 |
| Updated 1 Subcategories | NDRADIONUT | 2010-11-19 17:24:19 |
| Rees Communications: Mobridge System Updated (Updated General Trunked System Information) | Thunderbolt | 2008-08-05 17:43:15 |
| Rees Communications: Mobridge System Updated (Updated General Trunked System Information) | Thunderbolt | 2008-08-05 17:42:21 |
| Rees Communications, Inc. System Updated (Changed Site # 001 (Mobridge) to 001 (Mobridge)) | Thunderbolt | 2008-08-05 17:41:33 |
| Rees Communications, Inc. System Updated (Added Site # 1 (Mobridge)) | Thunderbolt | 2008-08-05 17:40:52 |
| Frequencies Updated (Updated: 1, Deleted 0) for Walworth County | NDRADIONUT | 2008-01-17 21:20:09 |
| Frequencies Updated (Updated: 1, Deleted 0) for Walworth County | NDRADIONUT | 2008-01-17 21:19:44 |
| Frequencies Updated (Updated: 1, Deleted 0) for Walworth County | NDRADIONUT | 2007-12-10 22:59:01 |
| Added Frequency 155.76 (NORTH CENTRAL 911) | NDRADIONUT | 2007-12-10 22:58:32 |
| Added Frequency 158.82 | NDRADIONUT | 2005-09-07 09:19:03 |
| Sub-category Walworth County changed | NDRADIONUT | 2005-09-07 09:15:34 |
| Category Walworth County added | NDRADIONUT | 2005-09-07 09:15:08 |