I recommend a Winegard HD7698P antenna aimed at about 145 degree magnetic compass , Columbus OH. And a ChannelMaster CM3412 distribution amplifier. 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.amazon.com ,
http://www.starkelectronic.com ,
http://www.3starinc.com. Here are antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html