Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA3UN callsign genealogy
Currently held by Arnold, Michael J
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 AA3UN's current licensee, walking backwards.
- ARNOLD, MICHAEL JPAgranted 1999-06-10cancelled 2000-06-03
Successor callsigns
Callsigns held now by people who previously held AA3UN.
No current licensee on record previously held this callsign.