If the house is not wrapped with any type or kind of metal such as but not limited to metal siding or stucko with stucko Wire. And if the house does not have a metal roof or solar panels on the roof and if the walls are not made out of poured concrete. And the attic of the house does not have metal foil backed insulation. And the Tv is not located in the basement. Then a SIMPLE indoor antenna connected a Tv will get you most of the channels in green. Here are some SIMPLE indoor antennas.
http://forum.tvfool.com/showthread.php?t=233 , Here are pictures of how to aim Tv antennas
http://www.kyes.com/antenna/pointing/pointing.html , Read and understand this about Real Digital Tv Channels and Virtual Digital Tv Channels.
http://forum.tvfool.com/showthread.php?t=695 . . . . KMSP digital channel 9 FOX is a strong station and the stations above that are stronger.