The one antenna solution is a Winegard HD7698P antenna aimed about 328 degree magnetic compass. Here is how to aim Tv antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. The stations are weak at your receive location and the path between transmitter antenna and receive antenna is 2 edge , 2 mountain edges in the path. The HD7698P antenna is maximum gain , UHF , VHF High antenna. This antenna needs to be mounted on the Roof. I suggest a Strong and Sturdy antenna mount such as a , tripod mount , chimney mount , peak of the roof eave mount. Here are places to buy Tv antennas and etc..
http://www.3starinc.com ,
http://www.solidsignal.com ,
http://www.starkelectronic.com ,
http://www.amazon.com