WSJT310 path 1 · Fixed Point-to-Point length0.1 mi · 92 m frequency4960 MHz txTX 41.8589, -87.7261 · ant 33 ft AGL (639 ft AMSL) rxRX 41.8589, -87.7250 · ant 33 ft AGL (639 ft AMSL) 560 ft580 ft600 ft620 ft640 ft660 ft680 ft0.0 mi0.0 mi0.0 mi0.0 mi0.0 mi0.1 mi terrain (4/3-earth) line of sight 1st Fresnel zone View on the map →