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Above the Peak of the Roof install a ,
www.antennacraft.net , HD850 All Channel antenna aim at about , 85 degree magnetic compass direction.
Here is how to aim antennas ,
www.kyes.com/antenna/pointing/pointing.html
Use a Real and Actual magnetic compass to aim antenna.
A antenna system amplifier is not required.
For 1 Tv connected use No splitter.
For 2 Tv's connected use a simple common 2 way splitter.
For 3 Tv's connected use a simple common 3 way splitter.
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Here are some above the roof antenna mounts.
www.ronard.com/909911.html
Use the , ronard(911) , 5 foot tripod antenna mount.
www.ronard.com/34424560.html
Use the , ronard(4560) , eave antenna mount.
www.ronard.com/ychim.html
Measure around the chimney and use a , ronard(2212) , ronard(2218) , ronard(2224) .
Buy the ronard antenna mounts at ,
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 obstructions including your own roof and building.
Some and not all Negative Effects are.
Absorbing and Blocking Reception.
Multi-Path Reflections Bouncing All Around.
The Best Pratice is to install the HD850 antenna at a location that has the least amount to no amount of obstructions of any type or kind on the directions of reception including your own roof and building.
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The Tv/s Must Channel Scan for the , OTA=Over The Air , ATSC-Digital Broadcast Tv Stations Channels , often named the ~ DTV Channels ~ Antenna Channels ~ Air Channels ~ in the Tv Setup Menu because the Tv transmissions travel through the Air from the transmitting antenna to the receiving antenna.
Some digital Tv's will Automatic channel scan for cable Tv channels.
DO NOT channel scan for cable Tv channels.
Go into the Tv Setup Menu and select ~ DTV Channels ~ Antenna Channels ~ Air Channels ~ .
Scan for , ATSC-Digital Broadcast Tv Stations/Channels.