Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KB3DKX
ExpiredO'BRIEN, JOHN A
- Location
- COCKEYSVILLE, MD
- Class
- Technician
- Granted
- 1999-02-20
- Expires
- 2009-02-20
- FRN
- 0009384132
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Vanity availability
UnknownStatus unknown
No vanity-slot record on file for KB3DKX. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.
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
- OBRIEN, JOHN AMDgranted 2024-04-30cancelled 2024-05-18
License history
0 eventsNo recorded events.