This system is deprecated, and may no longer be in use or is superseded by another system.
| Category Name | County | Lat | Lon | Range |
|---|---|---|---|---|
| Fire / EMS | Cook | 41.786 | -87.75 | 0.87 |
| Police / Security | Cook | 41.786 | -87.75 | 0.87 |
| Fleet / City Services | Cook | 41.786 | -87.75 | 0.87 |
| Airport Administration | Cook | 41.786 | -87.75 | 0.87 |
| Common | Cook | 41.786 | -87.75 | 0.87 |