Distance between Comers Rock and Apple Orchard, VA is 173.3 km (107.7 miles)
 True North Azimuth = 60.4°, Magnetic North Azimuth = 67.7°, Elevation angle = -0.8394°
 Terrain elevation variation is 983.2 m
 Propagation mode is line-of-sight, minimum clearance 0.4F1 at 79.8km
 Average frequency is 145.000 MHz
 Free Space = 120.4 dB, Obstruction = 6.2 dB, Urban = 1.0 dB, Forest = 1.0 dB, Statistics = 5.8 dB
 Total propagation loss is 134.5 dB
 System gain from Comers Rock to Apple Orchard, VA is 155.2 dB
 System gain from Apple Orchard, VA to Comers Rock is 155.2 dB
 Worst reception is 20.7 dB over the required signal to meet
 70.000% of situations