| Updated Agency Description Text | Starcom21 | 2025-10-11 10:09:05 |
| Updated Agency Description Text | Starcom21 | 2025-10-11 09:37:12 |
| Updated Agency Description Text | Starcom21 | 2025-07-10 22:46:07 |
| Updated Agency Description Text | Starcom21 | 2024-08-15 08:19:27 |
| Updated Agency Description Text | Starcom21 | 2024-08-15 08:17:49 |
| Updated Subcategory: (District 8 - Fairview Heights) | Starcom21 | 2024-06-26 03:07:52 |
| Updated related trunked system (STARCOM21 Statewide Illinois) for subcategory: (District 8 - Fairview Heights) | Starcom21 | 2024-06-26 03:07:48 |
| Updated Agency Description Text | Starcom21 | 2024-06-05 02:54:34 |
| Updated Agency Description Text | Starcom21 | 2024-06-05 02:46:00 |
| Frequencies Updated (2) | Starcom21 | 2024-06-05 02:44:18 |
| Frequencies Updated (2) | Starcom21 | 2024-06-05 02:43:36 |
| Frequencies Updated (2) | Starcom21 | 2024-06-05 02:43:02 |
| Frequencies Updated (1) | Starcom21 | 2024-06-05 02:42:24 |
| Frequencies Updated (1) | Starcom21 | 2024-06-05 02:41:30 |
| Updated Agency Description Text | Starcom21 | 2024-05-13 14:45:22 |
| Updated Agency Description Text | Starcom21 | 2023-10-19 14:47:16 |
| Added Frequency 453.3625 (Road Construction Crews (Lane Closures)) | Starcom21 | 2023-02-12 13:56:17 |
| Frequencies Updated (Updated: 2, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2023-01-14 12:32:23 |
| General text description updated | Starcom21 | 2022-12-17 23:44:46 |
| Changed Subcategory Details For: District 8 - Fairview Heights | Starcom21 | 2022-12-17 23:36:11 |
| Changed Subcategory Details For: District 6 - Springfield | Starcom21 | 2022-12-17 23:35:12 |
| Changed Subcategory Details For: District 4 - Peoria | Starcom21 | 2022-12-17 23:33:08 |
| Changed Subcategory Details For: District 2 - Dixon | Starcom21 | 2022-12-17 23:32:38 |
| Changed Subcategory Details For: District 9 - Carbondale | Starcom21 | 2022-12-17 23:31:39 |
| Changed Subcategory Details For: District 8 - Fairview Heights | Starcom21 | 2022-12-17 23:31:17 |
| Changed Subcategory Details For: District 7 - Effingham | Starcom21 | 2022-12-17 23:30:48 |
| Changed Subcategory Details For: District 5 - Paris | Starcom21 | 2022-12-17 23:30:18 |
| Changed Subcategory Details For: District 4 - Peoria | Starcom21 | 2022-12-17 23:29:58 |
| Changed Subcategory Details For: District 3 - Ottawa | Starcom21 | 2022-12-17 23:29:40 |
| Changed Subcategory Details For: District 2 - Dixon | Starcom21 | 2022-12-17 23:29:24 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2022-12-17 23:29:07 |
| Changed Subcategory Details For: District 6 - Springfield | Starcom21 | 2022-12-17 23:28:37 |
| General text description updated | Starcom21 | 2021-05-31 01:32:32 |
| Added Frequency 458.4625 (Data (West Frankfort)) | Starcom21 | 2020-07-21 02:29:07 |
| Changed Subcategory Details For: Statewide | Starcom21 | 2019-01-31 14:58:47 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2019-01-31 14:57:25 |
| Frequencies Updated (Updated: 1, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2018-09-28 03:09:26 |
| Frequencies Updated (Updated: 17, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2017-07-11 01:04:38 |
| Frequencies Updated (Updated: 1, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2017-07-11 01:02:50 |
| Changed Subcategory Details For: District 6 - Springfield | Starcom21 | 2017-03-19 22:49:17 |
| Frequencies Updated (Updated: 1, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2016-11-06 20:28:04 |
| Changed Subcategory Details For: District 6 - Springfield | Starcom21 | 2016-10-23 01:59:55 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | cubn | 2016-08-11 17:53:58 |
| Frequencies Updated (Updated: 5, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2016-07-28 00:38:48 |
| Frequencies Updated (Updated: 2, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2016-07-04 20:23:05 |
| Added Frequency 453.3625 (DOT Traffic Control (handheld radios) (or 453.2625?)) | Starcom21 | 2016-07-04 20:22:45 |
| Changed Subcategory Details For: District 2 - Dixon | Starcom21 | 2016-02-01 01:16:42 |
| Changed Subcategory Details For: District 3 - Ottawa | cubn | 2016-01-28 23:31:44 |
| Changed Subcategory Details For: District 2 - Dixon | cubn | 2016-01-28 23:26:04 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2015-06-24 22:27:42 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2015-06-24 22:26:18 |
| General text description updated | Starcom21 | 2015-02-19 00:56:10 |
| Sort order changed to from 0 for subcat: District 5 - Paris | Starcom21 | 2014-08-02 00:01:17 |
| Frequencies Updated (Updated: 1, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2014-08-02 00:01:17 |
| Added Frequency 453.51250 (Road Construction: Survey Crews (Rantoul area)) | Starcom21 | 2014-08-02 00:00:56 |
| Sort order changed to from 0 for subcat: District 5 - Paris | Starcom21 | 2014-07-24 00:24:18 |
| Frequencies Updated (Updated: 1, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2014-07-24 00:24:18 |
| Added Frequency 453.3625 (Road Construction Crews (Lane Closures/Portables)) | Starcom21 | 2014-07-24 00:24:04 |
| Sort order changed to from 0 for subcat: District 4 - Peoria | Starcom21 | 2014-07-24 00:23:18 |
| Frequencies Updated (Updated: 1, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2014-07-24 00:23:18 |
| Sort order changed to from 0 for subcat: District 6 - Springfield | Starcom21 | 2014-05-22 00:45:10 |
| Frequencies Updated (Updated: 2, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2014-05-22 00:45:10 |
| Sort order changed to from 0 for subcat: District 6 - Springfield | Starcom21 | 2014-05-22 00:44:19 |
| Frequencies Updated (Updated: 2, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2014-05-22 00:44:19 |
| Added Frequency 458.7125 (Road) | Starcom21 | 2014-05-22 00:43:24 |
| Changed Subcategory Details For: District 9 - Carbondale | Starcom21 | 2014-05-06 00:08:36 |
| Added Frequency 453.3625 (Road Construction Crews (Lane Closures/Portables)) | Starcom21 | 2014-04-01 22:31:46 |
| Changed Subcategory Details For: District 7 - Effingham | Starcom21 | 2014-01-02 07:55:52 |
| Changed Subcategory Details For: District 7 - Effingham | Starcom21 | 2014-01-02 02:32:51 |
| Changed Subcategory Details For: District 5 - Paris | KD4YGG | 2014-01-01 13:42:48 |
| Changed Subcategory Details For: District 6 - Springfield | Starcom21 | 2013-12-18 03:06:54 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-11-05 13:59:19 |
| Sort order changed to from 0 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-11-05 13:58:31 |
| Frequencies Updated (Updated: 1, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2013-11-05 13:58:31 |
| Changed Subcategory Details For: District 2 - Dixon | KD4YGG | 2013-10-19 12:28:40 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-24 22:41:05 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 02:16:49 |
| General text description updated | Starcom21 | 2013-08-22 02:16:20 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 02:13:28 |
| General text description updated | Starcom21 | 2013-08-22 02:12:57 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 02:10:32 |
| Changed Subcategory Details For: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:38:32 |
| Sort order changed to from 0 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:36:31 |
| Frequencies Updated (Updated: 1, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2013-08-22 01:36:31 |
| Sort order changed to from 0 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:35:22 |
| Frequencies Updated (Updated: 14, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2013-08-22 01:35:22 |
| Sort order changed to from 0 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:31:11 |
| Frequencies Updated (Updated: 0, Deleted 1) for Illinois Department of Transportation (IDOT) | Starcom21 | 2013-08-22 01:31:11 |
| Sort order changed to from 1 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:30:45 |
| Sort order changed to from 1 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:30:33 |
| Frequencies Updated (Updated: 0, Deleted 1) for Illinois Department of Transportation (IDOT) | Starcom21 | 2013-08-22 01:30:33 |
| Sort order changed to from 1 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:30:28 |
| Tagged 19 Frequencies with (Public Works) | Starcom21 | 2013-08-22 01:30:28 |
| Sort order changed to from 1 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:30:12 |
| Frequencies Updated (Updated: 12, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2013-08-22 01:30:12 |
| Sort order changed to from 1 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:28:16 |
| Frequencies Updated (Updated: 11, Deleted 0) for Illinois Department of Transportation (IDOT) | Starcom21 | 2013-08-22 01:28:16 |
| Sort order changed to from 0 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-22 01:24:56 |
| 8 Frequencies imported | Starcom21 | 2013-08-22 01:24:46 |
| Sort order changed to from 0 for subcat: District 1 - Schaumburg (Chicago Metro Area) | Starcom21 | 2013-08-13 20:28:21 |
