| South Dakota State Radio System (P25) System Updated (Changed Site # 033 (Stickney) to 33 (Stickney)) | theaton | 2023-10-16 16:22:15 |
| East River Electric Power Coop System Updated (Deleted Site # 002 (White Lake SD)) | wirr | 2023-10-15 19:26:34 |
| East River Electric Power Coop System Updated (Changed Site # 009 (White Lake, SD) to 2 (White Lake, SD)) | wirr | 2023-10-15 19:26:04 |
| East River Electric Power Coop System Updated (Added Site # 2 (White Lake SD)) | wirr | 2023-10-15 19:24:23 |
| East River Electric Power Coop System Updated (Updated System Description Text) | wirr | 2023-10-15 19:09:36 |
| South Dakota State Radio System (P25) System Updated (Added Site # 41 (Watertown)) | theaton | 2023-10-11 01:34:19 |
| South Dakota State Radio System (P25) System Updated (Added Site # 15 (Turkey Ridge)) | theaton | 2023-10-11 01:14:51 |
| South Dakota State Radio System System Updated (Deleted Site # 033 (Stickney)) | theaton | 2023-09-16 22:19:03 |
| South Dakota State Radio System (P25) System Updated (Added Site # 33 (Stickney)) | theaton | 2023-09-16 22:13:23 |
| Tagged 2 Frequencies with (Multi-Dispatch) | theaton | 2023-07-20 13:39:57 |
| Frequencies Updated (Updated: 3, Deleted 0) for Aurora County | theaton | 2023-07-20 13:39:39 |
| East River Electric Power Coop System Updated (Changed Site # 009 (White Lake, SD) to 9 (White Lake, SD)) | ScanWI | 2023-06-07 23:15:58 |
| East River Electric Power Coop System Updated (Updated System Description Text) | ScanWI | 2023-06-07 23:13:43 |
| South Dakota State Radio System (P25) System Updated (Imported talkgroups (5 Added, 0 Updated) for Aurora County) | theaton | 2022-12-09 14:09:03 |
| 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 |
| East River Electric Power Coop System Updated (Updated Sites) | theaton | 2021-10-12 22:25:29 |
| East River Electric Power Coop System Updated (Added Zone # 0 (Unknown)) | theaton | 2021-10-12 22:23:29 |
| East River Electric Power Coop System Updated (Updated Sites) | theaton | 2021-10-12 22:23:17 |
| East River Electric Power Coop System Updated (Added Zone # 4 (4)) | theaton | 2021-10-12 20:40:07 |
| East River Electric Power Coop System Updated (Added Zone # 3 (3)) | theaton | 2021-10-12 20:39:52 |
| East River Electric Power Coop System Updated (Added Zone # 2 (2)) | theaton | 2021-10-12 20:39:37 |
| East River Electric Power Coop System Updated (Changed Zone # 16 (South Dakota) to # 1 (1)) | theaton | 2021-10-12 20:39:29 |
| East River Electric Power Coop System Updated (Changed Zone # 16 (Unknown) to # 16 (South Dakota)) | theaton | 2021-10-12 20:04:54 |
| East River Electric Power Coop System Updated (Deleted Zone # 16 (ID: 914) ()) | theaton | 2021-10-12 20:03:56 |
| East River Electric Power Coop System Updated (Deleted Zone # 16 (ID: 913) ()) | theaton | 2021-10-12 20:03:53 |
| East River Electric Power Coop System Updated (Deleted Zone # 16 (ID: 912) ()) | theaton | 2021-10-12 20:03:50 |
| East River Electric Power Coop System Updated (Deleted Zone # 16 (ID: 911) ()) | theaton | 2021-10-12 20:03:44 |
| East River Electric Power Coop System Updated (General text description updated) | theaton | 2021-10-12 19:57:37 |
| East River Electric Power Coop System Updated (Changed System ID: [ | | ] to [10 | | ]) | theaton | 2021-10-12 19:56:40 |
| East River Electric Power Coop System Updated (Changed System ID: [16 | | ] to [ | | ]) | theaton | 2021-10-12 19:56:17 |
| East River Electric Power Coop System Updated (Updated Sites) | theaton | 2021-07-19 22:44:52 |
| East River Electric Power Coop System Updated (Changed Site # 009 (White Lake) to 009 (White Lake)) | theaton | 2021-07-19 22:39:24 |
| East River Electric Power Coop System Updated (Added Zone # 0 (Unknown)) | theaton | 2021-07-19 22:38:05 |
| East River Electric Power Coop System Updated (Changed Site # 009 (White Lake) to 009 (White Lake)) | theaton | 2021-07-19 22:35:33 |
| East River Electric Power Coop System Updated (Updated General Trunked System Information) | theaton | 2021-07-19 21:41:33 |
| East River Electric Power Coop System Updated (Added Zone # 4 ()) | theaton | 2021-07-19 21:34:13 |
| East River Electric Power Coop System Updated (Added Zone # 3 ()) | theaton | 2021-07-19 21:23:23 |
| East River Electric Power Coop System Updated (Added Zone # 2 ()) | theaton | 2021-07-19 21:23:16 |
| East River Electric Power Coop System Updated (Added Zone # 1 ()) | theaton | 2021-07-19 21:23:01 |
| East River Electric Power Coop System Updated (Updated General Trunked System Information) | theaton | 2021-07-19 21:22:41 |
| East River Electric Power Coop System Updated (Updated General Trunked System Information) | theaton | 2021-07-19 21:18:25 |
| East River Electric Power Coop System Updated (Added System ID: 16) | theaton | 2021-07-19 21:18:22 |
| East River Electric Power Coop System Updated (Updated General Trunked System Information) | theaton | 2021-07-19 21:18:08 |
| East River Electric Coop System Updated (Updated General Trunked System Information) | theaton | 2018-01-10 16:50:15 |
| East River Electric Coop System Updated (Updated General Trunked System Information) | theaton | 2018-01-10 16:45:24 |
| South Dakota State Radio System System Updated (Changed Site # 033 (Stickney) to 033 (Stickney)) | PJH | 2016-10-03 14:48:47 |
| Frequencies Updated (Updated: 1, Deleted 0) for Aurora County | theaton | 2016-09-15 00:49:46 |
| Tagged 1 Frequencies with (Schools) | theaton | 2016-09-15 00:45:17 |
| Frequencies Updated (Updated: 2, Deleted 0) for Aurora County | theaton | 2016-09-15 00:44:56 |
| 1 Frequencies imported | theaton | 2016-09-15 00:44:22 |
| Tagged 2 Frequencies with (Law Dispatch) | theaton | 2013-12-14 15:47:19 |
| Sort order changed to from 0 for subcat: Aurora County | theaton | 2013-12-14 15:47:18 |
| Frequencies Updated (Updated: 4, Deleted 0) for Aurora County | theaton | 2013-12-14 15:46:57 |
| Sort order changed to from 0 for subcat: Aurora County | theaton | 2013-12-14 15:46:57 |
| Tagged 1 Frequencies with (Schools) | NDRADIONUT | 2012-10-15 08:28:23 |
| Sort order changed to from 0 for subcat: Aurora County | NDRADIONUT | 2012-10-15 08:28:23 |
| Tagged 2 Frequencies with (Multi-Tac) | NDRADIONUT | 2012-10-15 08:28:16 |
| Sort order changed to from 0 for subcat: Aurora County | NDRADIONUT | 2012-10-15 08:28:16 |
| Frequencies Updated (Updated: 4, Deleted 0) for Aurora County | NDRADIONUT | 2012-10-15 08:27:59 |
| Sort order changed to from 0 for subcat: Aurora County | NDRADIONUT | 2012-10-15 08:27:59 |
| 3 Frequencies imported | NDRADIONUT | 2012-10-15 08:26:34 |
| Sub-category (Aurora County Sort 10) changed to (Aurora County Sort: 10) | NDRADIONUT | 2010-12-30 07:21:54 |
| Added a related trunking system | NDRADIONUT | 2010-12-30 07:21:51 |
| Updated 1 Subcategories | NDRADIONUT | 2010-11-19 17:40:11 |
| Frequencies Updated (Updated: 1, Deleted 0) for Aurora, County of | NDRADIONUT | 2008-01-17 23:21:14 |
| Added Frequency 154.965 | NDRADIONUT | 2005-06-21 23:56:13 |
| Sub-category Aurora, County of changed | NDRADIONUT | 2005-06-21 23:54:33 |
| Category Aurora County added | NDRADIONUT | 2005-06-21 23:53:51 |
