Complex sentence: On 1999-04-22, the station changed its call sign to KILM, on 2005-01-19 to KTFM, on 2005-01-26 to KLEY-FM, and on 2005-02-02 to the current KBUC.
Split into simpler sentences: On 1999-04-22, the station changed its call sign to KILM. The station once more changed its call sign on 2005-01-19, to KTFM, on 2005-01-26 to KLEY-FM, and on 2005-02-02 to the current KBUC.