Install a Winegard HD7698P antenna with a Winegard AP8700 preamp above the roof aimed at about 335 degree magnetic compass. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Here are some strong and sturdy 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 mounts from 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.winegarddirect.com ,
http://www.amazon.com