Looking at the Digital Pending Applications Included tvfool channel list.
For reception of WBBM REAL Digital VHF channel 12 , virtual number (2.1) CBS.
And the rest of the Digital Tv stations/channels down to and including WOCK-CD REAL Digital channel 4 , virtual number (4.1)
http://americaone.com
Above the roof install a Winegard HD7082P All Channel antenna with - no preamp - aimed at about 138 degree magnetic compass direction.
All Tv channels are , VHF low band channels 2 thru 6 , VHF high band channels 7 thru 13 , UHF band channels 14 thru 51.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
For 1 Tv connected use no splitter.
For 2 Tv's connected use a common simple 2 way splitter.
For 3 Tv's connected use a common simple 3 way splitter.
Here are some strong and sturdy antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html ,
http://www.ronard.com.
Buy the ronard antenna mounts at solidsignal by typing the word ronard in the solidsignal search box.
Here are some places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.amazon.com ,
http://www.winegarddirect.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 locate the antenna at a location that has the least amount to no amount of obstructions of any type or kind in the direction of reception.
The Tv's Must Channel Scan for the Broadcast Tv Channels , somtimes 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.