Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4JD callsign genealogy
Currently held by Bird, Timothy R
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 AJ4JD's current licensee, walking backwards.
- Bird, Timothy RTNgranted 2008-04-21cancelled 2008-06-16
Successor callsigns
Callsigns held now by people who previously held AJ4JD.
No current licensee on record previously held this callsign.