Roof Mount for Direct TV

[JandC]

We are having Camping World install a Windgard Roadtrip dome style antenna for our Direct TV Thursday. Does anyone have this style? We were looking for something that we would not have to constantly adjust while on trips. We have also removed our bedroom TV so we only want reception to the basement and living area, so my other question is where would be the best place on the roof for them to mount it.