Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI6DZ callsign genealogy
Currently held by Haehnichen, Steve
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 AI6DZ's current licensee, walking backwards.
- Haehnichen, SteveCAgranted 2014-05-13cancelled 2014-09-15
Successor callsigns
Callsigns held now by people who previously held AI6DZ.
No current licensee on record previously held this callsign.