Above the Peak of the Roof in such a manner that the roof and building are not , obstructing , impeding , blocking , reception in the directions of , North East , East , South East , South , South West , West , North West , North.
Install a Winegard HD7694P antenna aimed at about 45 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.
---------------------
Install a Winegard , LNA-200 'Boost' XT amplifier.
-------------------
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.
Buy the HFS splitters at ,
www.solidsignal.com
-----------------
Here are some places to buy antennas and etc. .
www.solidsignal.com
www.amazon.com
www.winegarddirect.com
------------------
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 , romard(4560) eave antenna mount.
www.ronard.com/ychim.html
Measure around the chimney and use a , ronard(2213) , ronard(2219) , ronard(2224) .
Buy the ronard antenna mounts at ,
www.solidsignal.com , or ,
www.ronard.com .
-----------------
The Tv/s Must Channel Scan for the , OTA=Over The Air , Digital Broadcast Tv Stations Channels , often named the , DTV Channels ~ Air Channels' ~ 'Antenna 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 ~ 'Air Channels' ~ 'Antenna Channels'.
-----------------
As always , trees and tree leaves , plants and plant leaves , have a Negative Effect on Broadcast Tv reception
Multi-path reflections signals bouncing around.
Absorbing , Blocking , Broadcast Tv reception.
The Best Pratice is to install the antenna at a location that has the lest amount to no amount of obstructions of any type or kind in the directions of reception including the roof and building and other obstructions.