| Added Talkgroup 148 Thrill Park(Iowa State Fairgrounds) | N0ZJT | 2022-08-23 18:31:20 |
| (1) Talkgroups Updated (Iowa State Fairgrounds) | N0ZJT | 2019-08-20 12:35:02 |
| (1) Talkgroups Updated (Iowa State Fairgrounds) | N0ZJT | 2019-08-20 12:34:48 |
| Added Talkgroup 132 Ice House(Iowa State Fairgrounds) | N0ZJT | 2019-08-20 12:34:28 |
| Added Talkgroup 122 Gates/Parade (Used by parking(Iowa State Fairgrounds) | N0ZJT | 2019-08-20 12:34:11 |
| Added Talkgroup 136 Trams(Iowa State Fairgrounds) | N0ZJT | 2018-08-11 11:55:27 |
| Changed Talkgroup Category: Systemwide to Iowa State Fairgrounds(Iowa State Fairgrounds) | timkilbride | 2016-12-24 22:47:21 |
| Added Talkgroup 112 Grounds | timkilbride | 2016-12-24 22:46:28 |
| Added Talkgroup 138 Parking | timkilbride | 2016-12-24 22:46:08 |
| Added Talkgroup 118 Gates | timkilbride | 2016-12-24 22:45:46 |
| Added Talkgroup 114 Security | timkilbride | 2016-12-24 22:44:57 |
| Added Talkgroup Category: Systemwide | timkilbride | 2016-12-24 22:44:26 |
| Changed Site # 001 (Fairgrounds) to 001 (Fairgrounds) | N0ZJT | 2016-08-12 16:13:28 |
| General text description deleted | N0ZJT | 2016-05-23 15:15:32 |
| Changed Site # 001 (Fairgrounds) to 001 (Fairgrounds) | N0ZJT | 2016-05-23 15:15:03 |
| Changed Site # 001 (Fairgrounds) to 001 (Fairgrounds) | N0ZJT | 2016-05-23 15:13:51 |
| General text description updated | Chauffeur6 | 2013-03-26 09:01:00 |
| Updated General Trunked System Information | Chauffeur6 | 2013-03-26 08:51:55 |
| Added Site # 1 (Fairgrounds) | Chauffeur6 | 2013-03-26 08:51:44 |
| Updated General Trunked System Information | Chauffeur6 | 2013-03-26 08:50:18 |
