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You can try other antennas such as the , HBU55 or HD7698P.
Do not expect to see a lot of improvement.
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The DB8e would likely provide a improvement of the UHF 14 thru 51 channels.
The Y10-7-13 would likely provide a small improvement of the VHF channels 7 thru 13.
A , RCA TVPRAMP1R preamp , or , Antenna Craft 10G221 preamp.
Can be used to connect and amplify the antennas.
The FM radio interference trap of the preamplifier will be in the , in/on position.
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However the heavens will not open up and the alpha/omega will not descend on to your reception location , with the above actions alone.
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The Number 1 action to take is if the HBU44 antenna or any other antenna or antennas can be moved to a location , be it higher antenna height or a different location or a combination of both , so as to avoid the obstructions of the trees and other obstructions to the East.
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Here are Antenna Towers that , Light Weight , Aluminum , Lay Over , Towers.
Do antenna installation and adjustments , Standing on the Ground.
The idea is to install a tower that is taller then the trees and other obstructions.
http://www.palcoelectronics.com/pe300.aspx.
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Here is a 10 foot roof top tripod antenna mount.
http://www.ronard.com/Tripods%200703/4712.html.
Use the , ronard(4712-50-10)