Install a Winegard HD7698P antenna above the roof aimed at about 50 degree magnetic compass direction.
The HD7698P antenna is High Gain and more directional in the forward direction to help reduce multi-path reflections of the surrounding trees.
Try reception without a preamplifier , and then try reception with a preamplifier , a Winegard HDP-269 preamplifier.
Here is a tall tripod antenna mount ,
http://www.ronard.com/Tripods%200703/4712.html.
Buy the ronard antenna mount 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.solidsignal.com
http://www.amazon.com.
http://www.winegarddirect.com.
http://www.antennasdirect.com.
For 1 Tv connected use No splitter.
For 2 Tv's connected use a , HFS-2D , 2 way splitter.
For 3 Tv's connected use a , HFS-3D , 3 way splitter.
Buy the HFS splitters at
http://www.solidsignal.com , or ,
http://www.hollandelectronics.com.
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Here is a way to get a antenna up higher.
http://www.ronard.com/tree_adjust.html.
Recommend do not install the HD7698P antenna in a tree , the antenna will not last long in a tree.
A Small Strong and Sturdy antenna is better.
Install a Antennas Direct - ClearStream 2 Complete UHF/VHF antenna.
http://www.antennasdirect.com/store/...V-Antenna.html.
Also install a Channel Master CM7777 preamplifier.
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Tall straight pine trees work the best as a antenna tower.
Get the antenna Up High so that the antenna has a clearer shot at the transmitters to the north east.
Cut tree branches away in a manner that the tree branches can not whip around and beat up the antenna.
Do not underestimate the Desire trees have to beat up a antenna.
Cut the branches away in a manner that the branches Can Not whip around and beat up the antenna.