Hi, I need to make a link at 129 km. of distance, the first point is located at a plain terrain, and the other point is located on a mountain at 1600 Mts, then... i have a free fresnel area!. I gonna maka a experiment with two 31 dbi anthennas, 2 pc with Microtick Os 2.9, 2 Senao PCI cards chipset A...