Chronology of call letters WWDC

First station

• Date: ...November 11, 1928-February 20, 1950 ( NOTE: Station swapped call with WOL on February 20, 1950.)
• Previous call letters: Unknown
• Frequency:
  • 1420 kHz (...March 29, 1941)
  • 1450 kHz (March 29, 1941-February 20, 1950)
• Location:
  • Washington, District of Columbia (...November 11, 1928-February 20, 1950)
• Subsequent call letters: WOL

Second station

• Date: February 20, 1950-May 13, 1999... ( NOTE: Station swapped call with WOL on February 20, 1950.)
• Previous call letters: WOL
• Frequency:
  • 1260 kHz (February 20, 1950-May 13, 1999...)
• Location:
  • Washington, District of Columbia (February 20, 1950-May 13, 1999...)
• Subsequent call letters: WGAY