Tower & ground
| ASOS/AWOS | 119.325 |
|---|---|
| CTAF | 122.9 |
Approach & departure Duluth
| App/Dep | 125.45 |
|---|
By procedure & sector (2 more)
| 121.725 | APT REMARK 1 WITH GCO FREQ |
|---|---|
| 233.7 | APCH/P DEP/P |
Frequencies from FAA NASR. For planning and education only; always verify against official sources.