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 , North East.
Install a Channels Mastrer , CM4228HD antenna aimed at about 40 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Use a Real and Actual magnetic compass to aim antenna with.
____________
Install a Channel Master CM7778 preamp.
____________
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 ,
http://www.solidsignal.com.
____________
The Winegard DS3000 J pole type antenna mount works Ok with the CM4228HD antenna.
Here are some more antenna mounts.
http://www.ronard.com/909911.html.
Use the , ronard(911) 5 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.solidsignal.com ,or , buy from
http://www.ronard.com.
____________
Here are some places to buy antennas and etc. .
http://www.solidsignal.com.
http://www.amazon.com.
http://www.channelmasterstore.com.
http://www.winegarddirect.com.
http://www.ronard.com.
_____________________
The Tv/s Must Channel Scan for the , OTA=Over The Air , Digital Broadcast Tv stations/channels , often named the '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 int the TV Setup Menu and select 'Air Channels' ~ 'Antenna Channels'.
Scan for channels.
____________
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.
The Best Pratice is to install the CM4228HD antenna at a location that has the least amount to no amount of obstructions of any type or kind in the directions of reception includung your own roof and building.
_______