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Is the HD7698P antenna installed Above The Peak Of The Roof in such a manner that reception is not , obstructed , impeded , blocked , by the roof and building in the directions of reception??
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/Tripods%200703/4712.html.
Use the , ronard(4712-50-10) , 10 foot tripod antenna mount.
http://www.ronard.com/34424560.html.
Use the , ronard(4560) , eave antenna mount.
http://www.ronard.com/ychim.html.
Measure around the chimney and use a , ronard(2212) , ronard(2218) , ronard(2224) .
Buy the ronard antenna mounts at ,
http://www.amazon.com , or ,
http://www.ronard.com .
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As always , trees and tree leaves , plants and plant leaves , have a Negative Effect on Broadcast Tv Reception and so do buildings and other obstruction including your own roof and building.
Some and not all Negative Effects are.
Absorbing and Blocking Reception.
Multi-Path Reflecting Tv Signals Bouncing All Around.
The Best Practice for Reliable Reception is to install the antenna ay 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 building.