Chronology of call letters KNOB

First station

• Date: April 10, 1995-February 16, 1997
• Previous call letters: KKHI
• Frequency:
  • 1510 kHz (April 10, 1995-February 16, 1997)
• Location:
  • San Rafael, California (April 10, 1995-February 16, 1997)
• Subsequent call letters: KKHI

Second station

• Date: February 16, 1997-March 31, 2000
• Previous call letters: KKGO
• Frequency:
  • 540 kHz (February 16, 1997-March 31, 2000)
• Location:
  • Costa Mesa, California (February 16, 1997-March 31, 2000)
• Subsequent call letters: KKGO