| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2171 Greenbelt Yard 1)) | dtscho | 2026-08-02 02:09:43 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2167 Alexandria Yard 1)) | dtscho | 2026-08-02 02:09:10 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Updated 1 talkgroups for All) | dtscho | 2026-08-02 02:08:47 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2159 Brentwood Yard 1)) | dtscho | 2026-08-02 02:08:37 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2059 Ops 6 (Green Line Rail Supervisors))) | dtscho | 2026-08-02 02:07:56 |
| National Institutes of Health System Updated (Added Talkgroup to: All (7045 Security)) | dtscho | 2026-07-15 19:15:03 |
| National Institutes of Health System Updated (Added Talkgroup Category: All) | dtscho | 2026-07-15 19:14:29 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2173 Greenbelt Yard 2)) | dtscho | 2026-07-14 01:55:05 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2175 Branch Avenue Yard 1)) | dtscho | 2026-07-14 01:53:05 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2165 New Carrollton Yard 2)) | dtscho | 2026-07-14 01:51:48 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2163 New Carrollton Yard 1)) | dtscho | 2026-07-14 01:51:15 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2161 Brentwood Yard 2)) | dtscho | 2026-07-14 01:50:16 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2157 Glenmont Yard 2)) | dtscho | 2026-07-14 01:49:36 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2155 Glenmont Yard 1)) | dtscho | 2026-07-14 01:49:03 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2151 Shady Grove Yard 1)) | dtscho | 2026-07-14 01:47:43 |
| Joint National Capital Region System Updated (Updated encryption settings for 1 talkgroups for National Geospatial-Intelligence Agency (St Louis)) | Starcom21 | 2026-06-19 20:47:06 |
| Joint National Capital Region System Updated (Added Talkgroup to: National Geospatial-Intelligence Agency (St Louis) (1686 Operations (St Louis) 1686)) | Starcom21 | 2026-06-19 20:46:15 |
| Frequencies Updated (3) | theaton | 2026-05-28 02:02:59 |
| Frequencies Imported (3) | theaton | 2026-05-26 19:18:23 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Updated 1 talkgroups for All) | dtscho | 2026-04-28 23:09:18 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2179 West Falls Church Yard 1 (patch from P16 system))) | dtscho | 2026-04-28 23:09:08 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup to: All (2153 Shady Grove Yard 2 (patch with P16 system))) | dtscho | 2026-04-28 23:08:18 |
| Washington Metropolitan Area Transit Authority (P25) System Updated (Added Talkgroup Category: All) | dtscho | 2026-04-28 15:23:21 |
| Agency: (Businesses) was updated | ericcarlson | 2026-04-22 21:03:55 |
| Agency: (Businesses) was updated | ericcarlson | 2026-04-22 21:03:19 |
| Frequencies Deleted (1) | ericcarlson | 2026-04-22 20:50:13 |
| Frequencies Updated (3) | ericcarlson | 2026-04-22 19:31:02 |
| Updated Subcategory: (Skywarn/RACES) | ericcarlson | 2026-04-22 19:25:24 |
| Frequencies Updated (1) | ericcarlson | 2026-04-22 19:24:32 |
| Frequencies Updated (1) | ericcarlson | 2026-04-22 19:24:07 |
| Added Frequency 443.9 (Rockville) | ericcarlson | 2026-04-22 19:23:17 |
| Frequencies Updated (1) | ericcarlson | 2026-04-22 17:29:25 |
| Frequencies Updated (1) | ericcarlson | 2026-04-22 17:28:15 |
| Frequencies Updated (1) | ericcarlson | 2026-04-22 17:27:47 |
| Added Frequency 441.8875 (Gaithersburg) | ericcarlson | 2026-04-22 17:26:51 |
| Montgomery County, MD Schools System Updated (Changed Talkgroup Category: All to Transportation) | ericcarlson | 2026-04-20 21:16:01 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-16 00:50:09 |
| Frequencies Updated (1) | ericcarlson | 2026-03-15 21:39:45 |
| Added Frequency 464.8375 (Forest Oak Middle School) | ericcarlson | 2026-03-15 21:39:38 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-14 20:09:23 |
| Frequencies Updated (1) | ericcarlson | 2026-03-14 19:57:24 |
| Washington Gas Light Company System Updated (Updated General System Details) | dtscho | 2026-03-13 03:28:39 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-12 23:31:35 |
| Added Frequency 464.375 (South Lake Elementary School) | ericcarlson | 2026-03-12 20:17:11 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-12 14:14:50 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-12 14:13:59 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-12 14:13:36 |
| Joint National Capital Region System Updated (Updated System Description Text) | Starcom21 | 2026-03-12 01:23:35 |
| Joint National Capital Region System Updated (Added Talkgroup to: National Geospatial-Intelligence Agency (St Louis) (1605 Maintenance/Plumbing )) | Starcom21 | 2026-03-12 00:29:02 |
| Joint National Capital Region System Updated (Changed Talkgroup Category: National Geospatial-Intelligence Agency to National Geospatial-Intelligence Agency (St Louis)) | Starcom21 | 2026-03-12 00:08:25 |
| Joint National Capital Region System Updated (Changed Talkgroup Category: National Geospatial-Intelligence Agency to National Geospatial-Intelligence Agency) | Starcom21 | 2026-03-12 00:06:56 |
| Joint National Capital Region System Updated (Added Talkgroup to: National Geospatial-Intelligence Agency (1603 Radio Techs)) | Starcom21 | 2026-03-11 23:53:55 |
| Frequencies Updated (2) | ericcarlson | 2026-03-11 20:35:03 |
| Added Frequency 464.725 (Watkins Hill High School) | ericcarlson | 2026-03-11 20:34:38 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-11 18:17:13 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-11 18:16:56 |
| Added Frequency 452.3125 (South Lake Elementary School) | ericcarlson | 2026-03-11 17:29:18 |
| Frequencies Updated (2) | ericcarlson | 2026-03-11 17:09:37 |
| Added Frequency 462.125 (Seneca Valley High School) | ericcarlson | 2026-03-11 17:08:25 |
| Frequencies Updated (1) | ericcarlson | 2026-03-11 16:58:04 |
| Added Frequency 452.4875 (Watkins Mill Elementary School) | ericcarlson | 2026-03-11 16:46:02 |
| Added Frequency 463.65 (Montgomery Village Middle School) | ericcarlson | 2026-03-11 15:58:30 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-11 12:41:01 |
| Frequencies Updated (1) | ericcarlson | 2026-03-10 00:31:32 |
| Frequencies Imported (2) | ericcarlson | 2026-03-10 00:31:17 |
| Added Frequency 461.65 (Gaithersburg High School) | ericcarlson | 2026-03-10 00:04:31 |
| Frequencies Updated (1) | ericcarlson | 2026-03-09 23:34:30 |
| Added Frequency 464.075 (Gaithersburg Middle School) | ericcarlson | 2026-03-09 23:34:15 |
| Added Frequency 464.075 (Gaithersburg Middle School) | ericcarlson | 2026-03-09 13:47:12 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-09 13:41:21 |
| Frequencies Deleted (1) | ericcarlson | 2026-03-09 13:39:18 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-09 13:37:01 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 23:58:23 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 23:58:06 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 23:57:38 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 23:57:02 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 23:56:52 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 21:37:30 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 21:37:20 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 13:17:12 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 13:16:46 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 13:09:27 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 13:08:53 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-08 13:03:23 |
| Added Frequency 464.6125 (Germantown Campus - Facilities) | ericcarlson | 2026-03-07 01:40:42 |
| Added Frequency 464.6125 (Germantown Campus - Security) | ericcarlson | 2026-03-07 01:38:48 |
| Agency: (Businesses) was updated | ericcarlson | 2026-03-07 01:17:41 |
| Frequencies Updated (1) | ericcarlson | 2026-03-07 01:07:09 |
| Frequencies Updated (1) | ericcarlson | 2026-03-06 20:50:58 |
| Frequencies Imported (1) | ericcarlson | 2026-03-06 20:50:50 |
| Frequencies Updated (1) | ericcarlson | 2026-03-06 20:43:48 |
| Frequencies Updated (1) | ericcarlson | 2026-03-06 20:43:28 |
| Added Frequency 464.8375 (Forest Oak Middle School) | ericcarlson | 2026-03-06 20:37:12 |
| Added Frequency 464.7125 (Gaithersburg Elementary School) | ericcarlson | 2026-03-06 20:35:03 |
| Added Frequency 452.8625 (Stedwick Elementary School) | ericcarlson | 2026-03-06 20:32:07 |
| Montgomery County, MD System Updated (Updated 2 talkgroups for Fire and Rescue Service) | dtscho | 2026-03-01 16:24:57 |
| Washington Gas Light Company System Updated (Updated System Location Details) | brian86 | 2026-02-16 05:47:45 |
| Agency: (Businesses) was updated | dtscho | 2026-01-14 02:01:55 |
| Agency: (Businesses) was updated | dtscho | 2026-01-14 02:01:14 |
| Frequencies Updated (1) | dtscho | 2026-01-13 22:13:01 |
