Chronology of call letters WTRL

• Date: ...June 30, 1927-June 30, 1928...
• Frequency:
  • 1450 khz (...June 30, 1927-June 30, 1928...)
• Location:
  • Midland Park, New Jersey (...June 30, 1927-June 30, 1928...)
• Owner of license:
  • Technical Radio Laboratory (H. C. Hogencamp) (...June 30, 1927-June 30, 1928...)