Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4DB callsign genealogy
Currently held by BARTON JR, DON B
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KJ4DB's current licensee, walking backwards.
- BARTON JR, DON BFLgranted 2007-01-23cancelled 2009-11-10
Successor callsigns
Callsigns held now by people who previously held KJ4DB.
No current licensee on record previously held this callsign.