On November 21, 1948, KWKH-FM went on air. It was operated by International Broadcasting Corporation, which was owned by The Shreveport Times.[2]
On August 12, 1996, KWKH-FM changed its format to Top 40 (CHR), branded first as Big Dog 945. On November 1, 1996, the station changed its callsign to KRUF. At the end of the 90s the station started identifying as "K94.5" discontinu ing the big dog moniker by 2000.