KSDW (88.9 FM) is a Christian radio station licensed to Temecula, California and serving the Temecula Valley and San Diego County. The station is owned and operated by Calvary Chapel Costa Mesa, and studios are co-located in Santa Ana with sister stations KWVE-FM and AM.KSDW's format consists mainly of contemporary worship music but also features Bible teaching programs of churches in the Temecula Valley, greater San Diego, and throughout the nation.