Welcome to KZERF ! We're proudly to be your local music source in El Cajon, San Diego County. The guide gives an introduction into the station's history , schedule , and involvement to the community . Learn https://book.squareup.com/appointments/fgwk1bexanhlcd/location/LZZN0T2S92KSS/services/KC66SKEAXR3K6OLT3QMYFEMX