Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0HJ callsign genealogy
Currently held by Ahrenstorff, Mitchell L
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 AD0HJ's current licensee, walking backwards.
- Ahrenstorff, Mitchell LMNgranted 2014-02-13cancelled 2014-02-27
Successor callsigns
Callsigns held now by people who previously held AD0HJ.
No current licensee on record previously held this callsign.