Read and understand this about Real Digital Tv Channels and Virtual Digital Tv Channels.
http://firum,tvfool.com/showthread.php?t=695 . . Starting with KTLN-DT 47 IND. and on down are adjacent channel television transmitter warnings and co-channel television transmitter warnings. The main channel , the one you will like to watch is weak/not strong and the adjacent channel and co-channel are interfering.