| 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 |
| Springfield Town Center System Updated (Added FCC Callsign: WSNA335 to Site: (001) On-site) | dtscho | 2026-06-08 15:16:01 |
| Springfield Town Center System Updated (Removed FCC Callsign: WQTU861 from Site: (001) On-site) | dtscho | 2026-06-08 15:15:56 |
| Springfield Town Center System Updated (Added FCC Callsign: WSNA335 to Site: (001) On-site) | dtscho | 2026-06-08 15:15:48 |
| Springfield Town Center System Updated (Removed FCC Callsign: WQTU861 from Site: (001) On-site) | dtscho | 2026-06-08 15:15:44 |
| Fairfax County Schools System Updated (Changed Site # 002 (Falls Church) to 2 (Falls Church)) | dtscho | 2026-06-03 01:52:25 |
| Fairfax County Schools System Updated (Changed Site # 002 (Falls Church) to 2 (Falls Church)) | dtscho | 2026-06-03 01:51:16 |
| Fairfax County System Updated (Updated encryption settings for 3 talkgroups for Other) | dtscho | 2026-05-15 18:39:48 |
| Fairfax County System Updated (Updated 3 talkgroups for Other) | dtscho | 2026-05-15 18:39:41 |
| Fairfax County System Updated (Added Talkgroup to: Fire (1531 4L)) | dtscho | 2026-05-15 16:02:07 |
| 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: (Hotels) was updated | dtscho | 2026-04-16 22:35:24 |
| Agency: (Hotels) was updated | dtscho | 2026-04-16 22:19:01 |
| Agency: (Hotels) was updated | dtscho | 2026-04-16 22:18:57 |
| Agency: (Hotels) was updated | dtscho | 2026-04-16 22:18:10 |
| Agency: (Hotels) was updated | dtscho | 2026-04-16 22:17:15 |
| Agency: (Hotels) was updated | dtscho | 2026-04-16 22:17:08 |
| Agency: (Hotels) was updated | dtscho | 2026-04-16 22:17:03 |
| Agency: (Hotels) was updated | dtscho | 2026-04-16 22:16:03 |
| Agency: (Retail) was updated | dtscho | 2026-04-16 20:43:54 |
| Agency: (Retail) was updated | dtscho | 2026-04-16 20:43:25 |
| Agency: (Retail) was updated | dtscho | 2026-04-16 20:42:46 |
| Agency: (Retail) was updated | dtscho | 2026-04-16 20:41:30 |
| Frequencies Updated (1) | dtscho | 2026-04-14 03:02:44 |
| Updated Subcategory: (Northern Virginia Community College (Annandale Campus)) | dtscho | 2026-04-14 03:02:22 |
| Added Frequency 857.4875 (Maintenance) | dtscho | 2026-04-14 03:01:21 |
| Added Subcategory: (Fairfax County/Northern Virginia Community College (Springfield)) | dtscho | 2026-04-14 03:00:07 |
| Frequencies Updated (1) | dtscho | 2026-04-14 02:51:37 |
| Frequencies Updated (2) | dtscho | 2026-04-14 02:51:09 |
| Agency: (Retail) was updated | dtscho | 2026-04-14 02:30:23 |
| Added related trunked system (Springfield Town Center) to subcategory: (Springfield Town Center) | dtscho | 2026-04-14 02:29:20 |
| Agency: (Retail) was updated | dtscho | 2026-04-14 02:28:28 |
| Agency: (Retail) was updated | dtscho | 2026-04-14 02:27:40 |
| Agency: (Retail) was updated | dtscho | 2026-04-14 02:26:32 |
| Agency: (Retail) was updated | dtscho | 2026-04-13 21:34:46 |
| Agency: (Retail) was updated | dtscho | 2026-04-13 21:34:33 |
| Agency: (Retail) was updated | dtscho | 2026-04-13 21:33:45 |
| Agency: (Retail) was updated | dtscho | 2026-04-13 21:33:26 |
| Agency: (Retail) was updated | dtscho | 2026-04-13 21:32:42 |
| Agency: (Retail) was updated | dtscho | 2026-04-13 16:12:21 |
| Subcategory: Federal/Wolf Trap National Park deleted | dtscho | 2026-04-13 02:34:48 |
| Category: Federal) deleted | dtscho | 2026-04-13 02:34:48 |
| Added Frequency 160.1925 (Pohick Bay Regional Park) | dtscho | 2026-04-13 02:27:20 |
| Added Subcategory: (Fairfax County/Northern Virginia Regional Park Authority) | dtscho | 2026-04-13 02:26:00 |
| Amazon Data Services (Springfield, VA) System Updated (Added Talkgroup to: All (202 Operations)) | dtscho | 2026-04-13 02:19:25 |
| Amazon Data Services (Springfield, VA) System Updated (Added Talkgroup Category: All) | dtscho | 2026-04-13 02:18:29 |
| Amazon Data Services (Springfield, VA) System Updated (Added Site # 1 (Confirmed LCN)) | dtscho | 2026-04-13 02:18:23 |
| Amazon Data Services (Springfield, VA) System Updated (Updated General System Details) | dtscho | 2026-04-13 02:17:26 |
| Added Frequency 463.4 (Fairfax Water) | dtscho | 2026-04-13 02:13:21 |
| Added Subcategory: (Fairfax County/Fairfax Water) | dtscho | 2026-04-13 02:11:38 |
| Northern Virginia Emergency Response System System Updated (Changed Site # 001 (Fairfax) to 1 (Fairfax)) | dtscho | 2026-04-13 02:04:18 |
| Northern Virginia Emergency Response System System Updated (Added FCC Callsign: WSIA349 to Site: (001) Fairfax) | dtscho | 2026-04-13 02:04:14 |
| Northern Virginia Emergency Response System System Updated (Changed Site # 001 (Fairfax) to 1 (Fairfax)) | dtscho | 2026-04-13 02:03:35 |
| Northern Virginia Emergency Response System System Updated (Removed FCC Callsign: WSCM479 from Site: (001) Fairfax) | dtscho | 2026-04-13 02:03:29 |
| Northern Virginia Emergency Response System System Updated (Changed Site # 001 (Fairfax) to 1 (Fairfax)) | dtscho | 2026-04-13 02:03:23 |
| Northern Virginia Emergency Response System System Updated (Changed Site # 001 (Fairfax) to 1 (Fairfax)) | dtscho | 2026-04-13 02:02:35 |
| Springfield Town Center System Updated (Added Talkgroup to: All (1002 Engineering)) | dtscho | 2026-04-13 01:59:23 |
| Springfield Town Center System Updated (Added Talkgroup to: All (1001 Housekeeping)) | dtscho | 2026-04-13 01:58:57 |
| Springfield Town Center System Updated (Added Talkgroup to: All (1000 Security)) | dtscho | 2026-04-13 01:58:27 |
| Springfield Town Center System Updated (Added Talkgroup Category: All) | dtscho | 2026-04-13 01:58:06 |
| Springfield Town Center System Updated (Added Site # 1 (On-site)) | dtscho | 2026-04-13 01:57:02 |
| Springfield Town Center System Updated (Added Site # 1 (On-site)) | dtscho | 2026-04-13 01:56:48 |
| Springfield Town Center System Updated (Updated General System Details) | dtscho | 2026-04-13 01:55:59 |
| Agency: (Retail) was updated | dtscho | 2026-04-13 01:43:31 |
| Agency: (Miscellaneous) was updated | dtscho | 2026-04-13 01:31:05 |
| Agency: (Miscellaneous) was updated | dtscho | 2026-04-13 00:57:43 |
| Agency: (Miscellaneous) was updated | dtscho | 2026-04-13 00:56:55 |
| Greenspring Village System Updated (Added Talkgroup to: All (12 Maintenance)) | dtscho | 2026-04-13 00:46:49 |
| Greenspring Village System Updated (Added Talkgroup to: All (11 Security)) | dtscho | 2026-04-13 00:46:25 |
| Greenspring Village System Updated (Added Talkgroup Category: All) | dtscho | 2026-04-13 00:45:50 |
| Joint National Capital Region System Updated (Changed Site # 002 (NGA - Springfield, VA) to 2 (NGA - Springfield, VA)) | GTR8000 | 2026-04-08 13:09:09 |
| Frequencies Updated (3) | dtscho | 2026-03-25 02:30:43 |
| Added Frequency 145.34 (Northern Virginia FM Association (NVFMA) - Tysons Corner) | dtscho | 2026-03-25 02:30:20 |
| Added Frequency 448.035 (Northern Virginia FM Association (NVFMA) - Tysons Corner) | dtscho | 2026-03-25 02:28:39 |
| Added Frequency 224.88 (Northern Virginia FM Association (NVFMA) - Tysons Corner) | dtscho | 2026-03-25 02:27:47 |
| Added Frequency 1283.2 (Fairfax ARS) | dtscho | 2026-03-18 16:53:25 |
| Added Frequency 1283.2 (Fairfax ARS) | dtscho | 2026-03-18 16:52:34 |
| Added Frequency 449.375 (Fairfax ARS) | dtscho | 2026-03-18 16:51:35 |
| Added Frequency 449.375 (Fairfax ARS) | dtscho | 2026-03-18 16:50:43 |
| Greenspring Village System Updated (Added Site # 1 (Unconfirmed LCN)) | dtscho | 2026-03-16 19:48:03 |
| Greenspring Village System Updated (Updated General System Details) | dtscho | 2026-03-16 19:46:56 |
| Greenspring Village System Updated (Updated System Description Text) | dtscho | 2026-03-16 19:45:55 |
| Greenspring Village System Updated (Updated System Description Text) | dtscho | 2026-03-16 02:01:36 |
| Agency: (Hotels) was updated | dtscho | 2026-03-12 23:34:45 |
| Agency: (Hotels) was updated | dtscho | 2026-03-12 23:33:43 |
| 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 |
| Deleted Subcategory: (Federal/Central Intelligence Agency (Langley)) | dtscho | 2026-03-10 23:01:17 |
| Deleted Subcategory: (Fairfax County/Fairfax, City of) | dtscho | 2026-03-09 03:30:41 |
| Agency: (Retail) was updated | dtscho | 2026-03-09 03:10:37 |
| Agency: (Hotels) was updated | dtscho | 2026-03-09 03:08:31 |
| United Airlines System Updated (Updated General System Details) | dtscho | 2026-03-09 03:00:38 |
| United Airlines DT3 System Updated (Updated System Description Text) | dtscho | 2026-03-09 03:00:24 |
