⚠️For educational purposes only — not a professional tool. Learn more

📡 Fresnel Zone Calculator

Calculate Fresnel zone clearance requirements for reliable RF links

Input Parameters

Frequency (GHz)

Path Distance (km)

Point Distance from TX (km)

Distance from transmitter to calculation point (max: 1 km)

Clearance Requirement (%)

60% is standard minimum, 100% for critical links

Include Earth bulge (recommended for paths > 5 km)