hello everyone. if anybody can help i would be greatful.first i dont know what elevation i need to be at on dish.my lat and longitude are 30.4w and 90.0n ihave motor set at 30 lat.im trying to pick up ech 110 and 119.i mounted and ready.also i have motor south according to compass. i get good sig with dish by pointing to each with broom stick.if any one can calculate that and help me out you can have my broomstick.thx