WWTO channel 10 is way to strong. I recommend a Antennas Direct 91 XG , UHF only antenna with a Winegard AP4700 UHF only preamp. Install a coax ground block and ground. The Chicago stations are to weak to receive reliably. The Peoria stations are stronger , aim the antenna at about 210 degree magnetic compass. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Also read and understand about , REAL Digital Broadcast Tv Channels , Virtual Digital Broadcast Tv Channels , Analog Broadcast Tv Channels ,
http://forum.tvfool.com/showthread.php?t=695