More then interest , is important information.
Here is a 1 antenna shot at reception without going to a antenna rotator or 2 antennas.
Above the roof install a ANT751 antenna in such a manner that the roof or house does not block reception to the , north east , east , south east , south , north west , north.
Aim the ANT751 antenna at about 100 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
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Install a Antennas Direct CPA-19 preamp.
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For 1 Tv connected use no splitter.
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The ANT751 antenna comes with a J type antenna mount.
Not much money at
http://www.solidsignal.com or
http://www.amazon.com.
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As always , trees and tree leaves do a real fine job of reducing or blocking Tv reception and so do buildings and other obstructions including your own house.
It is best to install a antenna at 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 house.
The Tv Must Channel Scan for the Digital Broadcast Tv Channels , sometimes named the 'Air Channels' or 'Antenna Channels' in the Tv setup menu because the Tv transmissions travel through the air from the transmitting antenna to the receiving antenna.
DO NOT channel scan for cable tv channels.