3D Fresnel Zone & RF Link Analysis Tool

Generate a 3D KML model of the first Fresnel zone between SITE 1 and SITE 2 to assess RF path clearance. Click the blue Download button at the bottom of the page to get the file, then open it in Google Earth to analyze terrain, structures, and potential obstructions affecting signal propagation.

Modify Fresnel zone parameters, k-Factor, and visualization settings in the green section below.

Purchase a subscription to change site locations and antenna heights in the blue section:

• Lite — USD 19.95 (valid for 7 days or up to 100 KML downloads, whichever comes first)
• Regular — USD 109.95 (valid for 3 months or up to 1,000 KML downloads, whichever comes first)

Elevation Input Support:

• Relative to ground or sea level:
  • Continental U.S., Alaska (below 61°N), Hawaii
  • Canada (below 61°N)
  • Australia, New Zealand
• Relative to sea level only:
  • All other regions (ground-level input not supported)

Watch this fly-through video to see how the KML file visualizes Fresnel zones.

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