Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0DH callsign genealogy
Currently held by Holst III, Arne M
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 AD0DH's current licensee, walking backwards.
- Holst III, Arne MCOgranted 2012-03-02cancelled 2013-02-13
Successor callsigns
Callsigns held now by people who previously held AD0DH.
No current licensee on record previously held this callsign.