Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4JO callsign genealogy
Currently held by Aymond Jr, Joseph D
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 AA4JO's current licensee, walking backwards.
- Aymond Jr, Joseph DFLgranted 2003-10-03cancelled 2004-05-18
Successor callsigns
Callsigns held now by people who previously held AA4JO.
No current licensee on record previously held this callsign.