Looks like all the channels you will like to receive are about 79 magnetic compass. I recommend a Winegard HD7084 All channel antenna and a Winegard HDP269 preamp.. The television transmissions are moderate strong , no need for multipul antennas, . Read and understand this about , Real Digital Tv Channels , Virtual Digital Tv Channels , Analog Tv Channels ,
http://forum.tvfool.com/showthread.php?t=695. . Here is how to point Tv antennas ,
http://www.kyes.com/antenna/pointing/pointing.html