| Frequency | System | FleetID | User | City | State | Sys_Type | Notes | Additional Notes |
| 152.42750 | Confirmed LCN N/A N/A | Lockport | IL | LTR Standard | ** | ** | ||
| 152.99000 | Confirmed LCN N/A N/A | 0-03-100 | SECURITY SECURITY (EAST CAMPUS) SECURITY | Lockport | IL | LTR Standard | ** | ** |
| ** | ** | |||||||
| ****ALL CAMPUS TALKGR**** | ** | ** | ||||||
| 0-03-101 | MAINTEN MAINTENANCE (EAST CAMPUS) SCHOOLS | ** | ** | |||||
| 0-03-110 | CC/EC SEC1 LOCKPORT TOWNSHIP HS (CENTRAL AND EAST) SECURITY 1 SECURITY | ** | ** | |||||
| 0-03-111 | CC/EC SEC2 LOCKPORT TOWNSHIP HS (CENTRAL AND EAST) SECURITY 2 SECURITY | ** | ** | |||||
| 0-07-100 | SECURITY SECURITY SECURITY | ** | ** | |||||
| 0-07-101 | MAINT MAINTENANCE SCHOOLS | ** | ** |