That said , the real channels at your location are located in the channel ranges of VHF high band 7 thru 13 and UHF 14 thru 69.
Most of the REAL digital Tv stations/channels are Very Weak at your location.
Install a Winegard HD7698P antenna with a Winegard AP8275 preamp aimed at about 355 degree magnetic compass.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Mount the HD7698P antenna above the roof.
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 antenna mounts at 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.winegarddirect.com ,
http://www.solidsignal.com ,
http://www.amazon.com.
The HD7698P is a Long Rang Maximum Reach All In One Antenna , and the AP8275 preamp has gain and noise figures that match the CM7777 and PA-19.