Trango Broadband Access5830 - Manual (Page 74)

Glossary
Trango Broadband Wireless — Access5830 User Manual Rev. F page 70
D1 D2
R
Fresnel Zone Radius
The formula for calculating the radius of the first Fresnel zone, as depicted in Figure 30, is given as:
Figure 9-6: Fresnel Zone Radius Calculation
Where D1 and D2 are the distances from the terminals to the point of interest (in miles); and ,f is the frequency (in GHz).
(Note: multiply results by 0.3048 to obtain a solution in meters)