Here are some antenna mounts ,
http://www.ronard.com/90991.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html . Also read and understand this about , REAL Digital Broadcast Tv Channels , Virtual Digital Broadcast Tv Channels , Analog Broadcast Tv Channels ,
http://forum.tvfool.com/showthread.php?t=695