Confidence: Medium · Source: FCC ULS · As of 2026-09-10
W1SBJ
ActiveJEFFRIES, STEPHEN B
- Location
- BOSTON, MA
- Class
- General
- Granted
- 2021-08-04
- Expires
- 2031-10-22
- Previous call
- N1XBT
- FRN
- 0013359518
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Vanity availability
HeldCurrently held
W1SBJ is held by an active license; it isn't a vanity slot right now.
Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).
Callsign genealogy
Full chain →Previously held by current licensee
- JEFFRIES, STEPHEN BMAgranted 2007-09-06cancelled 2011-10-22
License history
0 eventsNo recorded events.