How many tv's are/will be connected?? For a above roof antenna install a ,
http://winegarddirect.com , HD7000R aimed at about 80 degree magnetic compass. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Here are some 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 antenna mounts at solidsignal by typing the word ronard in the solidsignal search box or buy from ronard. Here are some places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.amazon.com ,
http://www.ramelectronics.net ,
http://www.tigerdirect.com.