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http://forum.tvfool.com/showthread.php?t=1539 . . .Is this a , house , condo. apt. , mobile home , motor home ?? Is the structure wrapped with any type or kind of metal such as but not limited to metal siding or stucko with stucko Wire ?? Are the walls made of poured concrete ?? Is the roof metal ?? Is the structure wrapped with brick from ground to roof ?? Does the structure have metal backed insulation ?? Does the structure have coax cable to all the Tv's ?? Read and understand this about , Real Digital Broadcast Tv Channels , Virtual Digital Broadcast Tv Channels and Analog Tv Channels ,
http://forum.tvfool.com/showthread.php?t=695