This system is deprecated, and may no longer be in use or is superseded by another system.
| Category Name | County | Lat | Lon | Range |
|---|---|---|---|---|
| Coordination | 38.831 | -77.2847 | 16.5 | |
| Schools | 38.831 | -77.2847 | 16.5 | |
| Fire/Rescue | 38.831 | -77.2847 | 16.5 | |
| Special Event | 38.831 | -77.2847 | 16.5 | |
| Parks Authority | 38.831 | -77.2847 | 16.5 | |
| Fairfax Connector | 38.831 | -77.2847 | 16.5 | |
| Public Works | 38.831 | -77.2847 | 16.5 | |
| Health Department | 38.831 | -77.2847 | 16.5 | |
| Housing Authority | 38.831 | -77.2847 | 16.5 | |
| Zoning Enforcement | 38.831 | -77.2847 | 16.5 | |
| Information Technology | 38.831 | -77.2847 | 16.5 | |
| Vehicle Services | 38.831 | -77.2847 | 16.5 | |
| Environmental Services | 38.831 | -77.2847 | 16.5 | |
| Fire/Rescue Backup | 0 | 0 | 0 | |
| Police Backup | 0 | 0 | 0 | |
| Herndon Police Backup | 0 | 0 | 0 | |
| Vienna Police Backup | 0 | 0 | 0 |