Fresnel Zone Boundary Calculator

A service of Green Bay Professional Packet Radio ®

[fresnel zone]

Enter the operating frequency
Enter the distance from site A to the obstruction
Enter the distance from site B to the obstruction
N th Fresnel zone to calculate

The site A and site B distances should add up to the total path distance.

Visit this Solectek site for a good paper on Fresnel zones and radio line-of-sight.