| Description | Reciprocal Zenith Angle Measurements from Waynesboro, PA High Rock Lookout to Hagerstown, MD Airport |
| Creator | Larry Scott, geodetic surveyor |
| Date | 2020-04-20 |
| Source | https://drive.google.com/ |
| Upload | Thursday, April 23, 2020; wabis |
| Size | 280 kB |
| Scale | 1136 x 744 Pixel |