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The picture shows that the top of the roof , peak of the roof , is to the , ~ North ~.
Install a.
http://www.channelmasterstore.com.
CM4228HD antenna at the North End of the of the Peak of the Roof.
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Here are some roof top antenna mounts.
http://www.ronard.com/34424560.html. Install the , ronard(4560) , eave antenna mount.
Also can install a.
http://www.ronard.com/712.html. Install the , ronard(10-50-10) , 10 foot tripod antenna mount.
On the Peak of the Roof on the ~North End~ of the Peak of the Roof.
During the Testing phase of reception do not bolt the tripod to the roof.
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Home Depot has , 10 foot 6 inch length , 1 and 3/8 inch diameter , TOP RAIL , chain link fence , PIPE , that makes a excellent antenna mast/pipe , the price is low at about 12 dollars.
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The reason for the antenna location on the ~North End ~ of the peak of the roof is to take advantage of the clear area of trees in the ~West~ direction ~West~ of the house so that the antenna will have a better shot at the Washington Tv stations to the South West.
The picture shows that a location that is about 25 feet from the house in the ~North~ direction will be better able to take advantage of the clear area of the trees in the South West direction toward Washington.
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Aim the , CM4228HD UHF/VHF antenna at about 263 degree magnetic compass direction , Washington.
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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.
Most Digital Tv's have a Signal Strength Meter and some Digital Tv's also have a Signal Quality Meter.
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A antenna system amplifier will most likely not be required.
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As a Test of reception connect a NEW Continues Length of Coax to the
CM4228HD antenna and run the NEW Continues Length of Coax through a open
door or window Direct to 1 TV.