, ▁the ▁station ▁became ▁K K J Z , ▁known ▁as ▁" S mo oth ▁Jazz ▁ 1 0 6 . 7 ." ▁ ▁The ▁format ▁proved ▁successful ▁and ▁last ed ▁nearly ▁eight ▁years , ▁but ▁over ▁time , ▁the ▁audience ▁began ▁to ▁age , ▁while ▁most ▁advert is ers ▁seek ▁younger ▁dem ograph ics . ▁ ▁K L TH ▁In ▁ 1 9 9 8 , ▁K K J Z ▁was ▁acquired ▁by ▁In fin ity ▁Broadcast ing , ▁which ▁later ▁was ▁merged ▁into ▁CBS ▁Radio . ▁ ▁On ▁February ▁ 1 , ▁ 2 0 0 2 , ▁CBS ▁changed ▁the ▁station ' s ▁call ▁sign ▁to ▁K L TH , ▁and ▁f li pped ▁back ▁to ▁So ft ▁AC ▁as ▁" L ite ▁Rock ▁ 1 0 6 . 7 , ▁K - L ite ." ▁ ▁On ▁January ▁ 9 , ▁ 2 0 0 6 , ▁K L TH ▁changed ▁its ▁format ▁to ▁ 1 9 6 0 s ▁and ▁ 1 9 7 0 s ▁old ies ▁as ▁" 1 0 6 . 7 ▁K - H its ." ▁ ▁Over ▁time , ▁K L TH ▁expanded ▁its ▁scope ▁to ▁cover ▁the ▁ 1 9 8 0 s ▁as ▁well . ▁ ▁Its ▁competition ▁was ▁Ad ult ▁hits ▁K Y CH , ▁which ▁was ▁previously ▁K KS N , ▁Port land ' s ▁out let ▁for ▁the ▁old ies ▁format ▁prior ▁to ▁K L TH ' s ▁debut . ▁The ▁debut ▁of ▁“ K - H its