There are no antennas that selectively receive english only channels. The Tv signals at your location are Very Strong. Simple rabbit ears type antenna at each Tv location should work Ok .
http://forum.tvfool.com/showthread.php?t=233 . Also understand this about Real And Virtual channels
http://forum.tvfool.com/showthread.php?t=695 . All of the channels you will watch are transmitted from the north.