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A Simple reception situation.
Above the Peak of the Roof install a.
http://www.antennacraft.net.
AC9 antenna.
In such a manner that reception is not , obstructed , impeded , blocked , by the , attic , roof , building , of all directions.
Aim the AC9 antenna at about 41 degree magnetic compass direction.
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Here is how to aim antennas.
http://www.kyes.com/antenna/pointing/pointing.html.
Use a Real and Actual magnetic compass to aim antenna , do not trust a , cell phone , tablet and etc. compass.
Also most Digital Tv's have a Signal Strength Meter and some Digital Tv's also have a Signal Quality Meter.
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Here are some antenna mounts that will put the antenna above the roof.
http://www.ronard.com/34424560.html. Install the , ronard(4560) , eave antenna mount.
http://www.ronard.com/244.html. Can be mounted on eave at peak of roof.
http://www.ronard.com.
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A antenna system amplifier is not required.