For more information check Line-of-sight Propagation Wikipedia
Radio Horizon and Fresnel Zones get practical as the Hak5 team takes a SDR Equipped WiFi Pineapple drone to an altitude of 4200 feet! From the 3800 ft summit of Mt. Diablo and a recommended 400 ft AGL ceiling we tackle the theory - can we really see aircraft 330 miles away? All that and more, this time on Hak5!