Chronology of call letters WPTF

• Date: ...June 30, 1928-March 29, 1941...
• Frequency:
  • 550 khz (...June 30, 1928...)
  • 680 kHz (...March 29, 1941...)
• Location:
  • Raleigh, North Carolina (...June 30, 1928-March 29, 1941...)
• Owner of license:
  • Durham Life Insurance Co. (...June 30, 1928...)