For any Right- angles triangle, the Opposite height is given by basic trigonometric relations, Height = Length * Sin (Tilt) Height = 1 * Sin (20) = 0. As we know the height of the. . For this purpose, the distances of the rows from each other are determined using the calculations for the angle of incidence of solar radiation for December 23, when the sun is lowest above the horizon. The selection of this distance is closely related to our geographical location, as well as the. . How to determine the height of the phot our TV screen. Calculate the ideal heigh for mounting. Mark the wall for the b acket placement the orientation of the panels (portrait or landscape). Please refer to the odules oriented in portrait as seen on the image bel essories to instal part of th. . The height of photovoltaic brackets plays a bigger role than most people realize - it's not just about keeping panels off the dirt. Let's break down the science behind finding that Goldilocks zone where your solar array isn't too high, isn't too low, but just righ HOME / How High Should Solar Panel. . ference from the back of the module to the surface.