Ill go with robbo71 use a portable and get you direction then tilt the dish all the way up, or the top backwards then bit by bit tilt it down, i found that mine was set all the way back at the top
i also found moving the whole setup ,upto the top of the pole ? mind you mine is only 6ft off the ground
if im correct if you look at your watch ,every second is 6 degrees so 4 secs = 24 degrees that will give you an idea from the horizontal
