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I recommend a VHF only antenna at your current location.
--->Above the Peak of the Roof<---> install a ,
http://www.antennacraft.net.
Y10-7-13 VHF antenna aimed at about 71 degree magnetic compass direction.
Here is how aim to antenna ,
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 or etc. compass.
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A antenna system amplifier will most likely not be required for , 1 , 2 , 3 , Tv's connected.
With the Y10-7-13 antenna installed above the roof clear of obstructions.
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http://www.tdlcanada.ca.
http://www.saveandreplay.com.