We have a new complete Furuno Nav Suite of products. The installer wants to mount the SC 50 GPS Sat Compass aft behind a couple of solar panels and antennas. We think it should be aloft - at the top of the mast (65"), where it will get a clear picture of the sky. (it would lose its heading mounted above the radar dome 2/3 up the mast - from reflections. This unit has pitch and roll compensation. Has anyone seen or have experience with a SC 50 aloft? Our mast is no taller than big fishing boats and has a slow motion.