WPNN631 path 1 · Area length0.0 mi · 1 m frequency956.29375 MHz txTX 44.5450, -99.4882 · ant 20 ft AGL (1867 ft AMSL) rxRX 44.5450, -99.4882 · ant 20 ft AGL (1867 ft AMSL) 1,800 ft1,820 ft1,840 ft1,860 ft1,880 ft1,900 ft0.0 mi0.0 mi0.0 mi0.0 mi0.0 mi0.0 mi terrain (4/3-earth) line of sight 1st Fresnel zone View on the map →