Here is a antenna mount that requires no climbing on the roof.
http://www.ronard.com/34424560.html.
http://www.ronard.com. Buy the ronard antenna mount at solidsignal by typing the word ronard in the solidsignal search box or buy from ronard. Install a Winegard HD7082P antenna aimed at about 135 degree magnetic compass. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Here are places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.winegarddirect.com ,
http://www.amazon.com. The HD7082P is a All Channel antenna that receives All the Digital Tv channels. VHF low band digital channels 2 thru 6 , VHF high band digital channels 7 thru 13 , UHF digital channels 14 thru 51.