 In 1990, Trinity River Valley Broadcasting built an FM facility and started on (the current KHIH) as of aug, 29, 1991, the 24 hour FM sister to KPXE.KPXE was sold to Arthur Liu in 1997, which included the move of the facility to Brookshire, as a station targeting the southwestern and western areas of Houston, which have a significant Asian populace.Because KCHN shares the same frequency as "clear channel" station XEG-AM in Monterrey, Nuevo León, Mexico; it broadcasts only during the daytime hours.