The best for indoor reception is , If the house is wood frame with wood or vinyl siding and a composition shingle roof. Reception will be reduced or blocked if the house is/has , metal framing , concrete , concrete blocks , cinder blocks , metal siding , stucko WIRE , brick from ground to roof , big rocks for walls , metal backed insulation , metal roof , solar panels , antenna is in the basement. Put the CS2 antenna on the second floor. Aim the CS2 at about 265 degree magnetic compass out a west window or 190 degree magnetic compass out a south window. The flat surface of the loops are directed at 265 or 190. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Can also try reception with the reflector screen of the antenna removed , might get a few more stations/channels. With the reflector screen removed the CS2 reception loops will receive better at the back side of the antenna.