Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ4DZ callsign genealogy
Currently held by Barbour, John W
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 AJ4DZ's current licensee, walking backwards.
- Barbour, John WVAgranted 2007-10-22cancelled 2007-12-12
Successor callsigns
Callsigns held now by people who previously held AJ4DZ.
No current licensee on record previously held this callsign.