Complex sentence: The call letters changed to the current WUXP on August 23,1996 and would rebrand itself "UXP30" and "UPN Nashville" before going back to "UPN 30" in 2002.
Split into simpler sentences: The call letters changed to the current WUXP on August 23,1996. The station would then brand itself "UXP30" and "UPN Nashville" before settling back on "UPN30" in 2002.