WHQ991 path 3 · Fixed Point-to-Point length19.7 mi · 31668 m frequency6404.8 MHz txTX 39.4047, -87.8284 · ant 185 ft AGL (838 ft AMSL) rxRX 39.5095, -87.4861 500 ft600 ft700 ft800 ft900 ft0.0 mi3.9 mi7.9 mi11.8 mi15.7 mi19.7 mi terrain (4/3-earth) line of sight 1st Fresnel zone View on the map →