Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA0DJ callsign genealogy
Currently held by Johanson, David C
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 AA0DJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA0DJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA0DJ, oldest first.
- HERKE, ERIC M MI1998-10-26 → cancelled 2010-10-27
- Johanson, David C IA2023-12-30 active