Line-of-sight propagation - Wikipedia
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The Myth of VHF Line-Of-Sight • AmateurRadio.com
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Calculating Your Radio Horizon - Resource Detail - The DXZone.com
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An analytic study for the effect of antenna height on line-of-sight VHF/UHF communications coverage distance applied to Baghdad
Communication Systems/Wave Propagation - Wikibooks, open books for an open world
Radio-Wave Propagation - Pac-Man's Notes
