Install a ANT751 or ANT751R antenna above the roof aimed at about 129 degree magnetic compass. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Use a Channel Master CM3418 , 8 way distribution amplifier. Do Not use a preamplifier.
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 ronard antenna mounts at solidsignal by typing the word ronard in the solidsignal search box or buy from ronard. Here are places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.channelmasterstore.com ,
http://www.amazon.com.