I always have a printout of the satellite finder webpage and use the Az reading to make sure there are no obstructions like trees, and place it accordingly.
I have it on a tripod which is staked to the ground, preventing wind problems.
MOTHER SHIP Winnebago View 24H (2007 Dodge Sprinter 3500 Chassis, 2008 Body)3.0 L M-B Diesel V6 bought used with 24K miles. Toad: ROCKY the Flying Squirrel.