The tv transmissions are weak at your location. Install a Winegard HD7082P All channel antenna with a Antennas Direct CPA-19 preamplifier mounted above the roof. The Tv channels are VHF low band 2 thru 6 , VHF high band channels 7 thru 13 and UHF channels 14 thru 69. One station is on VHF low band KSFW-LD channel 02 Religion. 3 stations are on VHF high band , WFAA 8 ABC and Local weather and Live well network. KTVT-DT CBS. KFWD 9 IND. and and Classic Tv. The rest are on UHF. The HD7082P antenna will be aimed at about 194 degree magnetic compass. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Here are some roof mounts ,
http://www.ronard.com/99011.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 places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.winegarddirect.com ,
http://www.amazon.com ,
http://www.antennasdirect.com