Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0UN callsign genealogy
Currently held by Doering-Powell, Harald
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 AD0UN's current licensee, walking backwards.
- Doering-Powell, HaraldKSgranted 2015-06-22cancelled 2016-05-23
Successor callsigns
Callsigns held now by people who previously held AD0UN.
No current licensee on record previously held this callsign.