Install a Antennas Direct DB4e UHF Antenna aimed at about 185 degree magnetic compass direction.
The DB4e is recommended because it has a Wide forward reception pattern , the Tv stations are Widely spaced , south west , south , south east.
The DB4e is not recommended because it is small.
During this time period on this planet , small is a key word , small , smaller , and then so small you can't see it.
Install a Winegard YA1713 VHF antenna aimed at about 166 degree magnetic compass direction. The YA1713 is VHF high band channels 7 thru 13 antenna for reception of WBBZ.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
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Use a UVSJ = UHF/VHF Separator/Joiner to connect the 2 antennas together to 1 coax.
Type these letters in the Google search box -> uvsj . Type these letters in the
http://www.solidsignal.com , in search box -> uvsj .
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For 1 Tv connected use no splitter.
For 2 Tv's connected use a common simple 2 way splitter.
Some roof top antenna mounts are , tripod antenna mounts , eave antenna mounts , chimney antenna mounts.
Here are some places to buy antennas and etc. ,
http://www.saveandreplay.com ,
http://www.trentondistributors.com ,
http://www.canadapost.ca/shopper ,
http://www.antennasdirect.com ,
http://www.winegarddirect.com ,
http://www.solidsignal.com.
As always trees and tree leaves do a real fine job of reducing or blocking Tv reception and so do buildings and other obstructions.
It is best install the antenna/s at a location that has the least amount to no amount of obstructions of any type or kind in the directions of reception.
The Tv/s 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.