Those big thick dense trees will reduce reception. Need to get the antenna up high. Install a HD7696P antenna aimed at about 247 degree magnetic compass on a ,
http://www.ronard.com/Tripods%200703/4712.html , or if the antenna can be mounted up high with a chimney mount ,
http://www.ronard.com/ychim.html. Do not try and hide the antenna in the trees as that will make reception worse. Mount the antenna away from the trees as much as possible. Here is the Federal Law that says Yes you can install and use a antenna up high to receive television transmissions.
http://www.fcc.gov/guides/over-air-r...n-devices-rule. Here are places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.winegarddirect.com ,
http://www.amazon.com ,
http://www.ramelectronics.net ,
http://www.tigerdirect.com. Buy the ronard mounts from solidsignal by typing the word ronard in the solidsignal search box or buy from ronard ,
http://www.ronard.com. Use RG-6 coax from the antenna to the connection point at the house to the tv.