Chronology of call letters WPJ

• Date: April 5, 1922-January 19, 1923
• Frequency:
  • 833 khz (April 5, 1922-January 19, 1923)
• Location:
  • Philadelphia, Pennsylvania (April 5, 1922-January 19, 1923)
• Owner of license:
  • St. Joseph's College (April 5, 1922-January 19, 1923)