This system is deprecated, and may no longer be in use or is superseded by another system.
| Category Name | County | Lat | Lon | Range |
|---|---|---|---|---|
| Emergency / Mutual Aid | Cook | 41.981 | -87.908 | 3 |
| Public Safety | Cook | 41.981 | -87.908 | 3 |
| Federal | Cook | 41.981 | -87.908 | 3 |
| Operations | Cook | 41.981 | -87.908 | 3 |
| Snow / De-Icing Operations | Cook | 41.981 | -87.908 | 3 |