Tower & ground Harlingen
| ATIS | 124.85 |
|---|---|
| ASOS/AWOS | 124.85 |
| Ground | 121.7 |
| Tower | 119.3 |
| CTAF | 119.3 |
| UNICOM | 122.95 |
| Flight service | 122.2 |
Approach & departure Valley
| App/Dep | 120.7 |
|---|
By procedure & sector (3 more)
| 120.7 | CLASS C |
|---|---|
| 279.5 | APCH/P DEP/P, CLASS C |
| 317.6 | LCL/P |
Frequencies from FAA NASR. For planning and education only; always verify against official sources.