The first 6 Tv stations are highlighted with red NM(dB) this means the transmission strength is OVER THE TOP STRONG. Do not use any type our kind of amplified antenna , the amplifier is being over loaded and causing bad reception. Read and understand this about Non amplified indoor antennas ,
http://forum.tvfool.com/showthread.php?t=233 , Indoor antennas cost more then 5 dollars , Dave arrived here from the 1950's time travel.