Fresnel Zone Visualizer

Visualize the First Fresnel Zone and check for obstacle clearance.

Frequency (MHz)

Distance (m)

Status: Clear (60%+)

Dist: 500m

Offset: 5.0m from LoS

F1 Radius: 5.6m

* Drag the obstacle to move it. Ensure the tip is below the 60% F1 clearance zone (inner purple) for reliable links.