I recommend a Winegard HD7698P antenna with a Winegard AP8275 preamp aimed at about 135 degree magnetic compass. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing.html. Mount the antenna above the roof. Here are antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/Tripods%200703/4712.html ,
http://www.ronard.com/34424560.html. This should get the digital tv stations to the south east down to WNPT-DT 8 PBS. This set up should supply signal to up to 4 tv's.