To get good reception you will need to have the Tv antenna height close 50 foot height. You can check the radar report at the 40 foot height. Concerning main network channels to the north , it is best to keep WQLN-DT 50 PBS signal strength at plus + 10 NM(dB) or more. And in your reception situation antenna height is important. . . Here are some online Tv Guides ,
http://www.titantv.com ,
http://television.aol.com ,
http://tvlistings.zap2it.com