Chronology of call letters WPI

• Date: April 6, 1922-July 20, 1923
• Frequency:
  • 833 khz (April 6, 1922-June 30, 1923...)
• Location:
  • Clearfield, Pennsylvania (April 6, 1922-July 20, 1923)
• Owner of license:
  • Electric Supply Co. (April 6, 1922-June 30, 1923...)