Basically this zone has to be obstruction free for a microwave link to be at its optimal. See following graph. EFTA_R1_01968533 EFTA02676580 1st Fresnel zone TX antenna Height lOrn Recommendation: raise the link to a higher height. For more detail about Fresnel Zone http://www.zvtrax.com/tech/wire

Basically this zone has to be obstruction free for a microwave link to be at its optimal. See following graph. EFTA_R1_01971907 EFTA02677305 1st Fresnel zone TX antenna Height lOrn Recommendation: raise the link to a higher height. For more detail about Fresnel Zone http://www.zvtrax.com/tech/wire