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rfspecialties.com
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x axis scale is miles distance shown as a percent;
100% equals total distance.
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Input Center of Radiation and Meters or Feet:
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ft
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Input Center of Receiver antenna
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ft
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Input Frequency:
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MHz
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Fresnet Zone
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Input Fresnel Zone (0.6, 0.75 1.0 or 4/3):
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Normal is .6 of first Fresnel Zone
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1
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Distance
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Miles
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1
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Earth curvature over shoot amount:
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° Above Horizon at point 100
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1
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Height of fresnel zone at center:
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Feet
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#
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Distance to Horizon:
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Miles spread over 100 points
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Grid X Axis Values:
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miles per division
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M
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Note: Chart is approximate. Not responsible for
errors of any kind. Provided by www.rfspecialties.com
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F
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Scale is Percent of the path length
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