The dish mount will need to be mounted higher or here are some antenna mounts ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html ,
http://www.ronard.com/909911.html . I recommend a Winegard HD7694P antenna aimed at about 100 degree magnetic compass , here is how to aim a antenna ,
http://www.kyes.com/antenna/pointing/pointing.html. The HD7694P antenna will supply signal to 3 tv's. Here are places to buy antennas and etc. ,
http://www.solidsignal.com http://www.amazon.com ,
http://www.starkelectronic.com ,
http://www.3starinc.com