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For 1 Big antenna that receives all the Digital Broadcast Tv Stations Channels that are receivable in one direction.
A Combo antenna. VHF high band channels 7 thru 13 , and UHF channels 14 thru 51.
Install a ,
http://www.antennacraft.net.
HBU44 antenna.
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Aim the HBU44 antenna at about 86 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antennas/pointing/pointing.html.
Use a Real and Actual magnetic compass to aim antenna , do not trust a , cell phone , tablet and etc. compass.
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Install a ,
http://www.antennacraft.net.
10G201 preamp.
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For 1 Tv connected use No splitter.
For 2 Tv's connected use a , Holland Electronics , HFS-2D , 2 way splitter.
For 3 Tv's connected use a , Holland Electronics , HFS-3D , 3 way splitter.
For 4 Tv's connected use a , Holland Electronics , HFS-4D , 4 way splitter.
Buy the , HFS-2D , HFS-3D , HFS-4D , splitters at ,
http://www.hollandelectronics.com
or
http://www.amazon.com.
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Here are some Above the Roof antenna mounts.
http://www.ronard.com/909911.html.
Use the , ronard(911) , 5 foot tripod antenna mount.
http://www.ronard.com/34424560.html.
Use the , ronard(4560) , eave antenna moiunt.
http://www.ronard.com/ychim.html.
Measure around the chimney and use a , ronard(2212) , ronard(2218) , ronard(2224) .
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Home Depot has , 10 foot - 6 inch , 1 and 3/8 inch diameter , TOP RAIL chain link fence PIPE , that makes good antenna mast pipe , the price is low at about 12 dollars.