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 are some tv guides ,
http://www.zap2it.com ,
http://www.tv.yahoo.com ,
http://www.tv.entertainment.excite.com , Most tv guides list the channel numbers as the virtual channel numbers.