Here is how to aim Tv antennas ,
http://www.kyes.com/antenna/pointing/pointing.html . Do you have a antenna now?? If so what , type , kind . manufacture , model number?? Here are places to buy Tv antennas and etc. ,
http://www.3starinc.com ,
http://www.solidsignal.com ,
http://www.starkelectronic.com ,
http://www.amazon.com 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