1 , 2 , 3 , 4 or more tv's is Ok. I collect information so as to design the system. Your reception location is Excellent , All of the receivable channels are , LOS = Line Of Sight , the best type of reception. Install a Winegard HD7082P antenna above the roof , no preamp or amplifier will be needed. Use a simple common 2 way splitter for the 2 tv's. Aim the antenna at about 85 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. Here are places to buy antennas and etc. ,
http://www.winegarddirect.com ,
http://www.solidsignal.com ,
http://www.amazon.com. Type the word ronard in the solidsignal search box or buy from ronard.