Big Knob Site
| Description | Latitude | Longitude |
| Commonwealth of Pennsylvania - PERR01 Site | 40.358 (40° 21' 28.74" N) | -77.548 (77° 32' 52.86" W) |
| Pennsylvania State Police - Big Knob Tower | 40.3579 (40° 21' 28.56" N) | -77.5462 (77° 32' 46.32" W) |
| Texas Eastern - Big Knob Site | 40.3584 (40° 21' 30.42" N) | -77.5477 (77° 32' 51.72" W) |
| Vanguard Cellular - Big Knob Site | 40.3584 (40° 21' 30.42" N) | -77.5468 (77° 32' 48.3" W) |