| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Law Enforcement) | Ronaldski | 2026-04-30 15:47:04 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Port Huron Police) | Ronaldski | 2026-04-28 20:48:11 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Port Huron Police) | Ronaldski | 2026-04-28 01:47:47 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Municipal Common) | Ronaldski | 2026-04-28 01:42:21 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 3 talkgroups for St. Clair County (74) Port Huron Police) | Thunderbolt | 2026-04-25 17:39:47 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 3 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-25 17:17:41 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Municipal Common) | Thunderbolt | 2026-04-25 17:12:59 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated Service Tag assignments for 1 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-22 21:44:40 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated Service Tag assignments for 1 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-22 21:36:20 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-22 21:35:15 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 2 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-22 21:33:29 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-22 21:32:36 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-22 21:32:10 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-22 21:31:51 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Port Huron Police) | Thunderbolt | 2026-04-22 21:31:15 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Port Huron Police) | Thunderbolt | 2026-04-22 21:31:03 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Port Huron Police) | Thunderbolt | 2026-04-22 21:30:46 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Port Huron Police) | Thunderbolt | 2026-04-22 21:30:28 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated Service Tag assignments for 1 talkgroups for St. Clair County (74) Port Huron Police) | Thunderbolt | 2026-04-22 21:29:49 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Port Huron Police) | Thunderbolt | 2026-04-22 21:28:22 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Port Huron Police) | Thunderbolt | 2026-04-22 21:28:03 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Migrated 1 talkgroup(s) away from St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-22 21:27:31 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Migrated 1 talkgroup(s) to St. Clair County (74) Port Huron Police) | Thunderbolt | 2026-04-22 21:27:31 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Imported talkgroups (0 Added, 3 Updated) for St. Clair County (74) Law Enforcement) | Thunderbolt | 2026-04-22 21:26:52 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 2 talkgroups for St. Clair County (74) Law Enforcement) | Ronaldski | 2026-04-22 20:16:29 |
| ComSource Michigan DMR System Updated (Changed Site # 009 (Emmett) to 9 (Emmett)) | Thunderbolt | 2026-01-03 23:56:12 |
| Frequencies Updated (1) | Thunderbolt | 2025-10-25 14:55:25 |
| Frequencies Updated (1) | Thunderbolt | 2025-10-25 14:48:21 |
| Frequencies Updated (1) | Thunderbolt | 2025-10-25 14:47:29 |
| Frequencies Updated (1) | Thunderbolt | 2025-10-25 14:46:29 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Fire) | Ronaldski | 2025-10-19 14:57:26 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Added Talkgroup to: St. Clair County (74) Fire (22534 Fort Gratiot General Alarm Fire Page)) | Ronaldski | 2025-10-19 14:56:25 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 10 talkgroups for St. Clair County (74) Common/Interop) | Ronaldski | 2025-08-16 16:23:46 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Added Talkgroup to: St. Clair County (74) Fire (22536 Ira Twp. Fire Page)) | Ronaldski | 2025-08-04 18:35:17 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 2 talkgroups for St. Clair County (74) Fire) | Ronaldski | 2025-08-01 02:36:10 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Port Huron Police) | Ronaldski | 2025-08-01 01:18:42 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Law Enforcement) | Ronaldski | 2025-08-01 00:51:40 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Municipal Government) | Thunderbolt | 2025-07-19 19:21:36 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Municipal Government) | Thunderbolt | 2025-07-19 19:21:26 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) EMS/Hospital) | Ronaldski | 2025-06-11 20:07:20 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 3 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2025-06-05 14:36:16 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 3 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2025-06-05 14:32:21 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 3 talkgroups for St. Clair County (74) Law Enforcement) | Thunderbolt | 2025-06-05 14:32:08 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Imported talkgroups (3 Added, 0 Updated) for St. Clair County (74) Law Enforcement) | Thunderbolt | 2025-06-05 14:31:27 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Added Talkgroup to: St. Clair County (74) EMS/Hospital (32977 Henry Ford Hospital Ambulance - ER)) | Ronaldski | 2025-05-15 21:29:24 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Migrated 1 talkgroup(s) away from St. Clair County (74) Law Enforcement) | Ronaldski | 2025-05-06 19:37:15 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Added Talkgroup to: St. Clair County (74) Law Enforcement (23172 Corrections/Jail Transport)) | Ronaldski | 2025-05-06 19:04:11 |
| Frequencies Deleted (1) | Ronaldski | 2025-01-11 23:38:56 |
| Frequencies Updated (1) | Ronaldski | 2025-01-11 23:34:42 |
| Deleted Subcategory: (Schools/Port Huron Area School District) | Ronaldski | 2025-01-11 23:33:26 |
| Frequencies Updated (1) | Ronaldski | 2025-01-11 23:32:59 |
| ComSource Michigan DMR System Updated (Updated 1 talkgroups for Business) | Ronaldski | 2025-01-11 01:05:51 |
| ComSource Michigan DMR System Updated (Added Talkgroup to: Business (102361 Danis Transport)) | Ronaldski | 2025-01-11 01:04:58 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Imported talkgroups (3 Added, 0 Updated) for SEMCO Energy) | Thunderbolt | 2024-12-19 18:15:07 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Changed Talkgroup Category: SEMCO Energy to SEMCO Energy) | Thunderbolt | 2024-12-19 18:06:32 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Added Talkgroup Category: SEMCO Energy) | Thunderbolt | 2024-12-19 18:05:51 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Changed Site # 003 (Burtchville) to 3 (Lakeport)) | Ronaldski | 2024-12-03 21:26:28 |
| ComSource Michigan DMR System Updated (Added Talkgroup to: Miscellaneous (102981 Kent County Road Work)) | Ronaldski | 2024-09-12 14:23:15 |
| ComSource Michigan DMR System Updated (Added Talkgroup Category: Miscellaneous ) | Ronaldski | 2024-09-12 14:21:37 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Added Talkgroup to: St. Clair County (74) Fire (12166 Fire Ops 6)) | Ronaldski | 2024-09-01 13:45:06 |
| Added Frequency 154.815 (Clay Twp Fire Department) | Ronaldski | 2024-08-08 18:57:50 |
| Added Subcategory: (Municipalities and Districts/Clay Township) | Ronaldski | 2024-08-08 18:56:26 |
| ComSource Michigan NEXEDGE System Updated (Added Talkgroup to: ComSource (7700 business 7700)) | wirr | 2024-06-22 13:20:37 |
| ComSource Michigan NEXEDGE System Updated (Added Talkgroup to: ComSource (7000 business 7000)) | wirr | 2024-06-22 13:20:19 |
| ComSource Michigan NEXEDGE System Updated (Added Talkgroup to: ComSource (7800 waste disposal)) | wirr | 2024-06-22 13:18:07 |
| ComSource Michigan NEXEDGE System Updated (Added Talkgroup Category: ComSource) | wirr | 2024-06-22 13:17:36 |
| ComSource Michigan NEXEDGE System Updated (Changed Site # 001 (Emmett) to 1 (Emmett)) | wirr | 2024-06-22 13:16:09 |
| ComSource Michigan NEXEDGE System Updated (Changed Site # 001 (Emmett) to 1 (Emmett)) | wirr | 2024-06-22 13:10:52 |
| ComSource Michigan NEXEDGE System Updated (Changed Site # 001 (Emmett) to 1 (Emmett)) | wirr | 2024-06-22 01:44:04 |
| ComSource Michigan NEXEDGE System Updated (Changed Site # 001 (Emmett) to 1 (Emmett)) | wirr | 2024-06-22 01:43:03 |
| ComSource Michigan NEXEDGE System Updated (Changed Site # 001 (Emmett) to 1 (Emmett)) | wirr | 2024-06-22 01:33:45 |
| ComSource Michigan NEXEDGE System Updated (Deleted System ID: [bf]) | wirr | 2024-06-22 01:32:31 |
| ComSource Michigan NEXEDGE System Updated (Added System ID: [BF]) | wirr | 2024-06-22 01:32:26 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Added Talkgroup to: St. Clair County (74) Law Enforcement (32791 Law Enforcement Backup)) | Ronaldski | 2024-06-21 17:40:02 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Port Huron Police) | Ronaldski | 2024-01-29 22:57:02 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) EMS/Hospital) | Thunderbolt | 2023-08-02 19:37:01 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) EMS/Hospital) | Thunderbolt | 2023-08-02 19:36:18 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Imported talkgroups (1 Added, 0 Updated) for St. Clair County (74) EMS/Hospital) | Thunderbolt | 2023-08-02 19:34:51 |
| ComSource Michigan DMR System Updated (Added Talkgroup to: Business (104001 Bedrock Security)) | Ronaldski | 2023-05-01 04:30:17 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 2 talkgroups for St. Clair County (74) Fire) | Ronaldski | 2023-03-03 18:59:00 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Municipal Government) | Ronaldski | 2023-03-03 18:56:06 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Fire) | Ronaldski | 2023-03-03 18:55:17 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Migrated 1 talkgroup(s) away from St. Clair County (74) Municipal Government) | Ronaldski | 2023-03-03 18:49:15 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Migrated 1 talkgroup(s) to St. Clair County (74) Fire) | Ronaldski | 2023-03-03 18:49:15 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated encryption settings for 1 talkgroups for St. Clair County (74) Law Enforcement) | Ronaldski | 2023-03-03 18:20:34 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Law Enforcement) | Ronaldski | 2023-03-03 18:20:04 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Added Talkgroup to: St. Clair County (74) Law Enforcement (11776 St. Clair Detectives)) | Ronaldski | 2023-03-03 18:19:17 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Port Huron/Marysville Fire) | Thunderbolt | 2023-02-24 17:06:08 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 1 talkgroups for St. Clair County (74) Port Huron/Marysville Fire) | Thunderbolt | 2023-02-24 01:01:58 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Migrated 3 talkgroup(s) away from St. Clair County (74) Fire) | Thunderbolt | 2023-02-24 01:01:16 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Migrated 3 talkgroup(s) to St. Clair County (74) Port Huron/Marysville Fire) | Thunderbolt | 2023-02-24 01:01:16 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Updated 3 talkgroups for St. Clair County (74) Fire) | Thunderbolt | 2023-02-24 00:59:31 |
| Michigan's Public Safety Communications System (MPSCS) System Updated (Imported talkgroups (3 Added, 0 Updated) for St. Clair County (74) Fire) | Thunderbolt | 2023-02-24 00:53:14 |
| Frequencies Updated (Updated: 1, Deleted 0) for Amateur Radio | Ronaldski | 2023-02-14 17:38:11 |
| Added Frequency 444.900 (Port Huron Township - KE8JOT) | Ronaldski | 2023-02-14 16:59:25 |
| Frequencies Updated (Updated: 1, Deleted 0) for Amateur Radio | Ronaldski | 2023-02-14 16:54:53 |
| Frequencies Updated (Updated: 1, Deleted 0) for Amateur Radio | Ronaldski | 2023-02-14 16:54:31 |
| Frequencies Updated (Updated: 3, Deleted 0) for Amateur Radio | Ronaldski | 2023-02-14 16:34:37 |
| Frequencies Updated (Updated: 0, Deleted 1) for Amateur Radio | Ronaldski | 2023-02-14 16:28:11 |
| ComSource Michigan DMR System Updated (Added Talkgroup to: Business (100601 Reliable Delivery)) | Ronaldski | 2023-01-30 21:48:38 |
