No deck; just a brick patio
You could still use a non penetrating mount like this:Perfect Vision NPR6A Mount Non Penetrating for Slim Line Dish AU9-S 1.75 to 2 Mast (NPR6A) from Solid Signal
or mount the standard mast to plywood and put cinder blocks on the plywood. The way you have it mounted now doesn't look like it will last very long without alignment problems.