| Added Frequency 463.6625 (Frederick High School - Janitors) | dtscho | 2025-09-17 16:01:50 |
| Joint National Capital Region System Updated (Changed Talkgroup Category: National Geospatial-Intelligence Agency to National Geospatial-Intelligence Agency) | Starcom21 | 2025-09-15 20:28:00 |
| Joint National Capital Region System Updated (Updated 1 talkgroups for National Geospatial-Intelligence Agency) | Starcom21 | 2025-09-15 20:26:55 |
| Joint National Capital Region System Updated (Changed Talkgroup Category: National Geospatial-Intelligence Agency to National Geospatial-Intelligence Agency) | Starcom21 | 2025-09-15 20:26:33 |
| Joint National Capital Region System Updated (Updated mode assignments for 1 talkgroups for National Geospatial-Intelligence Agency) | Starcom21 | 2025-09-15 20:25:34 |
| Joint National Capital Region System Updated (Updated General System Details) | Starcom21 | 2025-09-15 20:25:17 |
| Frederick County, MD System Updated (Updated 1 talkgroups for Fire) | dtscho | 2025-08-20 16:53:56 |
| Frederick County, MD System Updated (Updated 2 talkgroups for Fire) | ericcarlson | 2025-08-18 00:59:20 |
| Frederick County, MD System Updated (Added Talkgroup to: Fire (1527 92G Special Event)) | ericcarlson | 2025-08-18 00:57:55 |
| Frederick County, MD System Updated (Updated 2 talkgroups for Fire) | ericcarlson | 2025-08-18 00:57:02 |
| Frederick County, MD System Updated (Updated 13 talkgroups for Fire) | ericcarlson | 2025-08-18 00:55:39 |
| Frequencies Updated (6) | ericcarlson | 2025-08-18 00:51:42 |
| Frequencies Updated (3) | ericcarlson | 2025-08-18 00:51:08 |
| Frequencies Updated (3) | ericcarlson | 2025-08-18 00:50:53 |
| Frequencies Imported (3) | ericcarlson | 2025-08-18 00:50:36 |
| Agency: (Businesses) was updated | ericcarlson | 2025-05-10 20:02:35 |
| Agency: (Businesses) was updated | ericcarlson | 2025-05-10 19:29:17 |
| Agency: (Businesses) was updated | ericcarlson | 2025-05-10 19:28:45 |
| Agency: (Businesses) was updated | ericcarlson | 2025-05-10 19:28:31 |
| Agency: (Businesses) was updated | ericcarlson | 2025-05-10 16:56:30 |
| AstraZeneca - MedImmune System Updated (Changed Site # 001 (Site 1) to 1 (Site 1)) | ericcarlson | 2025-05-09 23:59:21 |
| Added Frequency 451.4375 (Mother Seton School) | dtscho | 2025-05-06 14:11:20 |
| Added Frequency 464.175 (Libertytown Elementary School) | dtscho | 2025-04-13 17:52:40 |
| Joint National Capital Region System Updated (Updated 6 talkgroups for National Geospatial-Intelligence Agency) | Starcom21 | 2025-03-28 16:24:32 |
| Joint National Capital Region System Updated (Added Talkgroup to: National Geospatial-Intelligence Agency (58636 Operations (St Louis))) | Starcom21 | 2025-03-28 16:23:56 |
| Agency: (Businesses) was updated | dtscho | 2025-01-25 16:40:23 |
| Frequencies Imported (3) | theaton | 2025-01-23 15:12:25 |
| Frequencies Imported (3) | theaton | 2024-12-23 04:55:47 |
| Frequencies Imported (2) | theaton | 2024-12-22 02:35:40 |
| Frequencies Imported (1) | theaton | 2024-12-22 01:52:58 |
| Joint National Capital Region System Updated (Updated encryption settings for 8 talkgroups for Naval District Washington - Police) | GTR8000 | 2024-12-20 02:43:53 |
| Frequencies Imported (1) | theaton | 2024-12-11 20:22:52 |
| Frederick County, MD System Updated (Updated 5 talkgroups for Fire) | theaton | 2024-12-05 14:08:33 |
| Frederick County, MD System Updated (Updated 36 talkgroups for Fire) | theaton | 2024-12-05 14:07:31 |
| Agency: (Frederick Municipal Airport (FDK)) was updated | ericcarlson | 2024-12-01 18:26:25 |
| Agency: (Frederick Municipal Airport (FDK)) was updated | ericcarlson | 2024-12-01 18:25:47 |
| Agency: (Frederick Municipal Airport (FDK)) was updated | ericcarlson | 2024-12-01 18:25:41 |
| Washington Gas Light Company System Updated (Changed Site # 085 (Frederick) to 85 (Frederick)) | mtindor | 2024-10-24 10:48:37 |
| Washington Gas Light Company System Updated (Changed Site # 085 (Frederick) to 85 (Frederick)) | mtindor | 2024-10-24 10:39:41 |
| Washington Gas Light Company System Updated (Updated General System Details) | mtindor | 2024-10-24 10:38:26 |
| Washington Gas System Updated (Added Site # 85 (Frederick)) | mtindor | 2024-10-24 10:37:11 |
| Added Frequency 452.4375 (Crestwood Middle School 2) | dtscho | 2024-10-16 16:09:12 |
| Frequencies Updated (1) | dtscho | 2024-10-16 16:08:22 |
| Joint National Capital Region System Updated (Imported talkgroups (9 Added, 0 Updated) for Systemwide) | ericcarlson | 2024-10-05 20:45:42 |
| Joint National Capital Region System Updated (Added Talkgroup Category: Systemwide) | ericcarlson | 2024-10-05 20:43:30 |
| Added Frequency 452.4375 (Crestwood Middle School) | dtscho | 2024-10-03 17:53:21 |
| Added Frequency 464.1375 (Windsor Knolls Middle School) | dtscho | 2024-10-03 17:51:46 |
| Added Frequency 457.1375 (Thurmont Primary School) | dtscho | 2024-09-15 18:48:09 |
| Joint National Capital Region System Updated (Updated System Location Details) | Starcom21 | 2024-09-12 22:59:08 |
| Joint National Capital Region System Updated (Updated System Description Text) | Starcom21 | 2024-09-12 22:57:12 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup to: Frederick County (5700 Frederick 6)) | dtscho | 2024-06-02 04:04:28 |
| Frederick County, MD System Updated (Updated 1 talkgroups for County Services) | dtscho | 2024-04-14 16:08:21 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup to: Frederick County (5699 Frederick 5)) | dtscho | 2024-04-07 19:46:44 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup to: Frederick County (5698 Frederick 4)) | dtscho | 2024-04-07 19:46:31 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup to: Frederick County (5697 Frederick 3)) | dtscho | 2024-04-07 19:46:21 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup to: Frederick County (5696 Frederick 2)) | dtscho | 2024-04-07 19:46:08 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup to: Frederick County (5695 Frederick 1)) | dtscho | 2024-04-07 19:45:27 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup Category: Frederick County) | dtscho | 2024-04-07 19:44:50 |
| Joint National Capital Region System Updated (Updated encryption settings for 1 talkgroups for National Geospatial-Intelligence Agency) | Starcom21 | 2024-03-11 02:34:09 |
| Added Frequency 464.7 (Tuscarora High School (Ch. 1)) | dtscho | 2024-02-01 00:19:26 |
| Frequencies Updated (1) | dtscho | 2024-02-01 00:18:25 |
| Frequencies Imported (1) | ericcarlson | 2023-12-15 13:48:10 |
| Updated Subcategory: (Frederick County Board of Education) | ericcarlson | 2023-12-15 13:47:16 |
| Frederick County, MD System Updated (Added Talkgroup to: County Services (5554 Building Security - Talk)) | dtscho | 2023-11-16 19:47:06 |
| Frederick County, MD System Updated (Added Talkgroup to: County Services (5553 Building Security)) | dtscho | 2023-11-16 19:46:25 |
| Added Frequency 461.875 (Thomas Johnson Middle School) | dtscho | 2023-08-24 20:07:48 |
| Added Frequency 462.075 (Monocacy Middle School) | dtscho | 2023-08-24 20:02:26 |
| Added Frequency 464.2375 (Walkersville High School) | dtscho | 2023-08-24 19:58:10 |
| Frederick County, MD System Updated (Added Talkgroup to: County Services (5527 Radio Techs)) | dtscho | 2023-08-18 03:42:27 |
| Joint National Capital Region System Updated (Updated Sites) | Starcom21 | 2023-05-02 11:53:05 |
| Joint National Capital Region System Updated (Updated Sites) | Starcom21 | 2023-05-02 11:49:02 |
| Kroger Customer Fulfillment Center System Updated (Added Talkgroup to: All (4 Transportation)) | dtscho | 2023-04-06 15:12:39 |
| Joint National Capital Region System Updated (Updated 4 talkgroups for National Geospatial-Intelligence Agency) | Starcom21 | 2023-04-03 22:28:05 |
| Agency: (Businesses) was updated | Starcom21 | 2023-03-21 11:18:00 |
| Agency: (Businesses) was updated | Starcom21 | 2023-03-21 11:17:48 |
| Agency: (Businesses) was updated | Starcom21 | 2023-03-21 11:17:29 |
| Agency: (Businesses) was updated | Starcom21 | 2023-03-21 11:17:10 |
| Agency: (Businesses) was updated | Starcom21 | 2023-03-21 11:16:48 |
| Agency: (Businesses) was updated | Starcom21 | 2023-03-21 11:16:28 |
| Added Frequency 407.525 (Security) | ericcarlson | 2023-02-26 20:29:45 |
| Added Subcategory: National Emergency Training Center | ericcarlson | 2023-02-26 20:29:29 |
| Added category (Federal 80) | ericcarlson | 2023-02-26 20:29:13 |
| Agency: (Businesses) was updated | dtscho | 2023-02-02 20:10:37 |
| Agency: (Businesses) was updated | dtscho | 2023-02-02 20:09:46 |
| Frederick County, MD System Updated (Updated 1 talkgroups for City Police) | dtscho | 2023-02-02 19:37:12 |
| Frederick County, MD System Updated (Updated 1 talkgroups for City Police) | dtscho | 2023-02-02 19:36:41 |
| Frederick County, MD System Updated (Updated 1 talkgroups for City Police) | dtscho | 2023-02-02 19:36:27 |
| Frederick County, MD System Updated (Updated 1 talkgroups for City Police) | dtscho | 2023-02-02 19:36:17 |
| Frederick County, MD System Updated (Updated 1 talkgroups for City Police) | dtscho | 2023-02-02 19:36:03 |
| Frederick County, MD System Updated (Updated encryption settings for 1 talkgroups for City Police) | dtscho | 2023-02-02 19:35:46 |
| Frederick County, MD System Updated (Updated 1 talkgroups for City Police) | dtscho | 2023-02-02 19:35:41 |
| Frederick County, MD System Updated (Added Talkgroup to: Schools (5493 BOE 2)) | dtscho | 2023-02-02 19:34:36 |
| Frederick County, MD System Updated (Updated 3 talkgroups for Schools) | dtscho | 2023-02-02 19:34:13 |
| Frederick County, MD System Updated (Updated 1 talkgroups for Sheriff) | dtscho | 2023-02-02 19:33:04 |
| Frederick County, MD System Updated (Added Talkgroup to: Sheriff (5405 FCBI)) | dtscho | 2023-02-02 19:32:41 |
| Kroger Customer Fulfillment Center System Updated (Added Talkgroup to: All (3 Quality Assurance)) | dtscho | 2023-02-01 21:52:41 |
| Kroger Customer Fulfillment Center System Updated (Added Talkgroup to: All (2 Inventory Control)) | dtscho | 2023-02-01 21:52:17 |
| Frederick County, MD System Updated (Added Talkgroup to: City Police (5549 Announcement)) | dtscho | 2023-01-15 16:15:37 |
| Frederick County, MD System Updated (Added Talkgroup to: City Services (5581 Announcement)) | dtscho | 2023-01-15 16:14:26 |
| Agency: (Businesses) was updated | dtscho | 2023-01-06 21:45:10 |
