Tower & ground Aurora
| ATIS | 125.85 |
|---|---|
| Clearance | 121.7 (WHEN AURORA TWR CLSD) |
| Ground | 121.7 |
| Tower | 120.6 |
| CTAF | 120.6 |
Approach & departure Chicago
| App/Dep | 133.5 |
|---|
By procedure & sector (1 more)
| 349.0 | APCH/P DEP/P |
|---|
Frequencies from FAA NASR. For planning and education only; always verify against official sources.