For much better reception. Install a Winegard HD7696P antenna with a Antennas Direct CPA-19 preamp above the roof. Aim the HD7696P antenna at a starting point of 40 degree magnetic compass. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Here are some antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/34424560.html .
http://www.ronard.com/ychim.html ,
http://www.ronard.com. To buy the ronard mounts at solidsignal type the word , ronard , in the solidsignal search box or buy from ronard. Here are some places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.winegarddirect.com ,
http://www.antennasdirect.com ,
http://www.amazon.com ,
http://www.starkelectronic.com ,
http://www.3starinc.com. Here is the Federal Law that says Yes you can install a outside antenna above the roof in a manner that gets the best reception. Thats a nice clear shot at the transmitters.
http://www.fcc.gov/mb/facts/otard.html