First station[]
- Date: ...May 1, 1922-January 1926
- Frequency:
- 833 khz (...May 1, 1922-June 30, 1922...)
- 1120 khz (...June 30, 1923-June 30, 1925...)
- Location:
- New Orleans, Louisiana (...May 1, 1922-January 1926)
- Owner of license:
- Times-Picayune Publishing Co. (...May 1, 1922-June, 1922)
- Valdemar Jensen (...June 30, 1922-January 1926) ( Note: in the WAAB listings, his name was spelled as "Jensen," but the WJBO listings show his name as "Jenson." )
- Subsequent call letters: WJBO
Second station[]
- Date: ...March 29, 1941...
- Frequency:
- 1410 kHz (...March 29, 1941)
- 1440 kHz (March 29, 1941...)
- Location:
- Boston, Massachusetts (...March 29, 1941...)