| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup to: University of Maryland - Baltimore County (8474 Police)) | dtscho | 2025-12-27 22:20:19 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup Category: University of Maryland - Baltimore County) | dtscho | 2025-12-27 22:19:41 |
| Baltimore County System Updated (Added Talkgroup to: Local Government (9699 Solid Waste)) | dtscho | 2025-12-07 17:34:54 |
| Baltimore County System Updated (Added Talkgroup to: Local Government (9696 Solid Waste - Landfill)) | dtscho | 2025-12-07 17:34:26 |
| Baltimore County System Updated (Added Talkgroup to: Local Government (9686 Highways)) | dtscho | 2025-12-07 17:33:45 |
| Baltimore County System Updated (Updated 1 talkgroups for Local Government) | dtscho | 2025-12-07 17:33:15 |
| Baltimore County System Updated (Added Talkgroup to: Local Government (9431 Electronic Services "218")) | dtscho | 2025-12-07 17:32:59 |
| Agency: (Businesses) was updated | dtscho | 2025-11-25 16:36:23 |
| Agency: (Businesses) was updated | dtscho | 2025-11-25 16:35:24 |
| Agency: (Businesses) was updated | radioscan | 2025-10-25 22:55:54 |
| Agency: (Businesses) was updated | radioscan | 2025-10-25 22:53:10 |
| Agency: (Businesses) was updated | radioscan | 2025-10-25 22:48:31 |
| Added Frequency 463.3375 (Athletics) | dtscho | 2025-10-13 22:36:53 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Deleted Talkgroup Category: Johns Hopkins University) | dtscho | 2025-10-02 14:45:05 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup Category: Johns Hopkins University) | dtscho | 2025-10-02 14:44:43 |
| First Responders Interoperable Radio System Team (FIRST) System Updated (Added Talkgroup Category: Johns Hopkins University) | dtscho | 2025-10-02 14:44:40 |
| Frequencies Deleted (1) | dtscho | 2025-06-29 18:58:53 |
| Exelon Energy P25 System Updated (Added Talkgroup to: Baltimore Gas and Electric (1024 BGE 1024)) | GTR8000 | 2025-06-17 22:01:12 |
| Exelon Energy P25 System Updated (Added Talkgroup to: Baltimore Gas and Electric (1018 BGE 1018)) | GTR8000 | 2025-06-17 22:00:57 |
| Exelon Energy P25 System Updated (Updated 1 talkgroups for Baltimore Gas and Electric) | GTR8000 | 2025-06-17 22:00:41 |
| Exelon Energy P25 System Updated (Added Talkgroup to: Baltimore Gas and Electric (1010 BGE)) | GTR8000 | 2025-06-17 22:00:19 |
| Exelon Energy P25 System Updated (Added Talkgroup Category: Baltimore Gas and Electric) | GTR8000 | 2025-06-17 22:00:00 |
| Baltimore County System Updated (Updated 1 talkgroups for Fire) | dtscho | 2025-02-20 01:54:36 |
| Agency: (Businesses) was updated | dtscho | 2025-01-05 03:29:34 |
| Interstate Repeater System System Updated (Updated System Location Details) | theaton | 2024-10-09 15:58:36 |
| Frequencies Updated (1) | theaton | 2024-06-19 16:56:06 |
| Frequencies Updated (4) | theaton | 2024-06-19 16:55:24 |
| Frequencies Imported (4) | theaton | 2024-06-19 16:54:51 |
| Updated Subcategory: (Sheppard Pratt School in Glyndon) | theaton | 2024-06-19 16:51:37 |
| Added Subcategory: (Baltimore County/Sheppard Pratt School in Glyndon) | theaton | 2024-06-19 16:50:42 |
| Agency: (Businesses) was updated | ericcarlson | 2024-06-01 18:25:21 |
| Agency: (Businesses) was updated | ericcarlson | 2024-06-01 18:24:35 |
| Frequencies Updated (5) | ericcarlson | 2024-06-01 18:23:56 |
| Frequencies Imported (2) | ericcarlson | 2024-06-01 18:23:46 |
| Exelon Energy P25 System Updated (Changed Site # 021 (Baltimore South Simulcast) to 21 (Baltimore South Simulcast)) | ericcarlson | 2024-04-21 21:09:28 |
| Exelon Energy P25 System Updated (Added FCC Callsign: WRKT843 to Site: (021) Baltimore South Simulcast) | ericcarlson | 2024-04-21 21:09:26 |
| Exelon Energy P25 System Updated (Removed FCC Callsign: WREB539 from Site: (021) Baltimore South Simulcast) | ericcarlson | 2024-04-21 21:09:21 |
| Exelon Energy P25 System Updated (Removed FCC Callsign: WRDY686 from Site: (021) Baltimore South Simulcast) | ericcarlson | 2024-04-21 21:09:19 |
| Exelon Energy P25 System Updated (Changed Site # 021 (Baltimore South Simulcast) to 21 (Baltimore South Simulcast)) | ericcarlson | 2024-04-21 21:08:43 |
| Exelon Energy P25 System Updated (Updated System Location Details) | ericcarlson | 2024-04-21 21:07:44 |
| Exelon Energy P25 System Updated (Added Site # 22 (Calvert Cliffs Nuclear Power Plant)) | ericcarlson | 2024-04-21 21:05:26 |
| Exelon Energy P25 System Updated (Changed Site # 021 (Baltimore Simulcast) to 21 (Baltimore South Simulcast)) | ericcarlson | 2024-04-21 21:04:36 |
| Baltimore County System Updated (Updated 4 talkgroups for Police) | dtscho | 2024-03-15 04:17:20 |
| Interstate Repeater System System Updated (Updated 1 talkgroups for C-Bridge) | N9JIG | 2024-02-12 08:34:41 |
| Agency: (Businesses) was updated | ericcarlson | 2024-02-10 19:29:13 |
| Agency: (Businesses) was updated | ericcarlson | 2024-02-10 19:28:35 |
| Agency: (Businesses) was updated | ericcarlson | 2024-02-10 19:28:14 |
| Agency: (Businesses) was updated | ericcarlson | 2024-02-10 19:28:03 |
| Baltimore County System Updated (Added Talkgroup to: Local Government (9689 Highways)) | dtscho | 2024-02-08 17:16:36 |
| Baltimore County System Updated (Added Talkgroup to: Local Government (9688 Highways)) | dtscho | 2024-02-08 17:16:18 |
| Baltimore County System Updated (Added Talkgroup to: Local Government (9685 Highways)) | dtscho | 2024-01-10 19:27:23 |
| Baltimore County System Updated (Added Talkgroup to: Local Government (9684 Highways)) | dtscho | 2024-01-10 19:27:01 |
| Interstate Repeater System System Updated (Changed Talkgroup Category: C-Bridge to C-Bridge) | W2SJW | 2023-12-29 03:20:41 |
| Interstate Repeater System System Updated (Changed Talkgroup Category: C-Bridge to C-Bridge) | W2SJW | 2023-12-29 03:17:31 |
| Interstate Repeater System System Updated (Changed Talkgroup Category: Northeast PA Specific to Northeast PA Specific) | W2SJW | 2023-12-29 03:12:22 |
| Interstate Repeater System System Updated (Changed Talkgroup Category: BrandMeister to BrandMeister) | W2SJW | 2023-12-29 03:11:11 |
| Interstate Repeater System System Updated (Imported talkgroups (8 Added, 1 Updated) for C-Bridge) | theaton | 2023-12-28 15:16:38 |
| Interstate Repeater System System Updated (Imported talkgroups (35 Added, 0 Updated) for BrandMeister) | theaton | 2023-12-28 15:12:07 |
| Interstate Repeater System System Updated (Imported talkgroups (2 Added, 0 Updated) for C-Bridge) | theaton | 2023-12-28 15:02:36 |
| Interstate Repeater System System Updated (Updated 1 talkgroups for C-Bridge) | theaton | 2023-12-28 15:00:51 |
| Interstate Repeater System System Updated (Added Talkgroup to: C-Bridge (315120 DC Regional)) | theaton | 2023-12-28 14:58:45 |
| Interstate Repeater System System Updated (Added Talkgroup to: BrandMeister (31343 Brandmeister NJ Tac)) | theaton | 2023-12-28 14:57:19 |
| Interstate Repeater System System Updated (Updated 1 talkgroups for C-Bridge) | theaton | 2023-12-28 14:55:36 |
| Interstate Repeater System System Updated (Added Talkgroup to: C-Bridge (8804 Pack Rats)) | theaton | 2023-12-28 14:55:11 |
| Interstate Repeater System System Updated (Imported talkgroups (2 Added, 0 Updated) for BrandMeister) | theaton | 2023-12-28 14:46:09 |
| Interstate Repeater System System Updated (Added Talkgroup to: BrandMeister (91 Brandmeister Worldwide)) | theaton | 2023-12-28 14:42:57 |
| Added Frequency 463.8375 (Catonsville High School) | theaton | 2023-10-30 23:16:38 |
| DMR-MARC Amateur Radio Network (MD) System Updated (Deleted Site # 001 (Towson)) | ericcarlson | 2023-10-22 20:21:38 |
| DMR-MARC Amateur Radio Network (MD) System Updated (Changed Site # 001 (Thurmont) to 1 (Middle River)) | ericcarlson | 2023-10-22 20:21:15 |
| DMR-MARC Amateur Radio Network (MD) System Updated (Changed Site # 001 (Thurmont) to 1 (Owings Mills)) | ericcarlson | 2023-10-22 20:21:03 |
| DMR-MARC Amateur Radio Network (MD) System Updated (Added Site # 1 (Towson)) | ericcarlson | 2023-10-22 20:19:02 |
| Added Frequency 462.6 (Townson) | ericcarlson | 2023-09-30 20:50:14 |
| Added Subcategory: (Amateur Radio/GMRS) | ericcarlson | 2023-09-30 20:49:50 |
| Agency: (Businesses) was updated | ericcarlson | 2023-09-30 20:46:38 |
| Agency: (Businesses) was updated | ericcarlson | 2023-09-30 20:45:18 |
| Exelon Energy P25 System Updated (Changed Site # 021 (Baltimore Simulcast) to 21 (Baltimore Simulcast)) | GTR8000 | 2023-09-19 13:35:40 |
| Exelon Energy P25 System Updated (Added FCC Callsign: WRKU517 to Site: (021) Baltimore Simulcast) | GTR8000 | 2023-08-16 15:20:39 |
| Exelon Energy P25 System Updated (Added FCC Callsign: WREB539 to Site: (021) Baltimore Simulcast) | GTR8000 | 2023-08-16 15:20:30 |
| Exelon Energy P25 System Updated (Added Site # 21 (Baltimore Simulcast)) | GTR8000 | 2023-08-16 15:20:13 |
| Exelon Energy P25 System Updated (Updated encryption settings for 2 talkgroups for Delmarva Power) | Audiodave1 | 2023-07-30 04:33:27 |
| Agency: (Businesses) was updated | dtscho | 2023-07-24 20:07:19 |
| Agency: (Businesses) was updated | dtscho | 2023-07-19 15:37:00 |
| Added Frequency 452.0875 (Facilities Maintenance) | ericcarlson | 2023-07-15 15:55:26 |
| Agency: (Businesses) was updated | ericcarlson | 2023-07-15 15:54:45 |
| Agency: (Businesses) was updated | ericcarlson | 2023-07-15 15:54:16 |
| Agency: (Businesses) was updated | ericcarlson | 2023-07-15 15:53:58 |
| Exelon Energy P25 System Updated (Updated Sites) | GTR8000 | 2023-06-20 01:52:32 |
| Agency: (Businesses) was updated | dtscho | 2023-05-21 01:30:44 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 02:13:39 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 01:00:35 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 01:00:29 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 00:59:43 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 00:59:39 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 00:58:08 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 00:58:04 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 00:57:42 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 00:57:11 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-14 00:56:52 |
| Agency: (Businesses) was updated | ericcarlson | 2023-05-04 12:48:32 |
| Changed Subcategory Details For: University of Maryland - Baltimore County (Catonsville) | ericcarlson | 2023-05-04 03:23:33 |
