I recommend a Winegard HD7698P antenna with the CM7777 preamp pointed at about 122 degree magnetic compass. This set up will supply signal to up to four Tv's. Here are places to buy Tv antennas and etc. ,
http://www.solidsignal.com ,
http://www.starkelectronic.com ,
http://www.3starinc.com . 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