A Simple reception situation.
For reception of the Canada and USA Digital Tv stations/channels down the tvfool Pending Applications Included Channel List , down to and including , WNYO-TV UHF channel 49 MyNetwork.
Above the roof install a Winegard HD7698P antenna with - no preamp - aimed at about 185 degree magnetic compass direction.
The 185 aim direction is a in between aim direction for the reception of the Tv stations to the , south west , south , south east.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Some common above the roof antenna mounts are , tripod antenna mount , eave antenna mount , chimney antenna mount.
The existing pole mount must be strong and sturdy or do not use it , HD7698P antenna is a Big antenna.
For 1 Tv connected use no splitter , no antenna amplifier.
For 2 Tv's connected use a common simple 2 way splitter , no antenna amplifier.
For 3 Tv's connected use a common simple 3 way splitter , no antenna amplifier.
WNYO is weak of signal strength , If not received on the 3 Tv's connected , then install a Channel Master CM3414 distribution amplifier.
Here are some places to buy antennas and etc. ,
http://www.saveandreplay.com ,
http://www.trentondistributors.com ,
http://www.canadapost.ca/shopper ,
http://www.amazon.ca ,
http://www.winegarddirect.com ,
http://www.solidsignal.com ,
http://www.amazon.com ,
http://www.channelmasterstore.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 to install the antenna at a location that has the least amount to no amount of obstructions of any type or kind in the directions of reception to the south east , south , south west.
The Tv's Must Channel Scan for the Broadcast Tv Channels , sometimes named the 'Air Channel' 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.