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If adding the preamp in the attic does not bring in the channels.
Then move the antenna to above the roof.
As always , trees and tree leaves do a real good job of , reflecting , reducing , blocking , Digital Broadcast Tv reception and so do buildings and other obstructions including your own roof and house.
It is best to install the HD7696P antenna at a location that has the least amount to no amount of obstructions of any type or kind in the directions of reception including your own roof and house.
Directional antennas such as the HD7696P antenna receive the best in the forward direction and also receive to a lesser degree at , front angles , rear angles and back of the antenna.
The least amount of reception is directly on the sides of the antenna.
As always , the starting aim direction of a antenna is the --> starting aim direction of the antenna.
The antenna aim can be adjusted to find the best reception.
Most Digital Tv's have a Signal Strength Meter and some Digital Tv's have a Signal Quality Meter.
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