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 , Here is information about indoor Tv antennas ,
http://forum.tvfool.com/showthread.php?t=233. Here is information of how to aim a Tv antenna ,
http://www.kyes.com/antenna/pointing/pointing.html. Aim the antenna at about 18 degree magnetic compass.