A better place to mount a antenna , the CS2 Complete UHF/VHF antenna , is above the roof in such a manner that the antenna is Up High so the roof is not in the way of reception.
Tv antennas like , elbow room.
Nothing crowding in to up set reception.
Here are some Above the roof antenna mounts.
http://www.ronard.com/909911.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html ,
http://www.ronard.com.
Buy the ronard antenna mounts at solidsignal by typing the word ronard in the solidsignal search box.
http://www.solidsignal.com.