Ok mount a Winegard HD7695P antenna with a Winegard AP8700 preamp on the chimney. Point the antenna at about 20 degree magnetic compass. Here is how to point Tv antennas .
http://www.kyes.com/antenna/pointing/pointing.html . Read and understand this about Real digital Tv Channels and Virtual Digital Tv Channels.
http://forum.tvfool.com/showthread.php?t=695 . Here are some online Tv Guides ,
http://www.titantv.com ,
http://television.aol.com ,
http://tvlistings.zap2it.com , Here is some interesting reading about WANN-CA 29 Tv station.
http://wapedia.mobi/en/WANN-CA . Here are places to buy Tv antennas and etc..
http://www.solidsignal.com ,
http://www.3starinc.com ,
http://www.amazon.com ,
http://www.starkelectronic.com ,
http://www.channelmasterstore.com http://www.winegarddirect.com ,
http://www.antennacraft.net ,
http://www.antennasdirect.com