PSB said:As the Iceberg found out this past weekend it can be tough installing on a roof where the slope is going the wrong way! Its best to install on a downward sloping roof pointing in the direction of your true south satellite. But of course its not always possible!
sharris said:I would mount it on an eve if you could, and agree with last post, arm should be as plumb as possible and turned around. Don't worry about trees if they are a ways away i.e., 100 to 200m, you should be fine.