Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9JI callsign genealogy
Currently held by Hahn Jr, David 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 AB9JI's current licensee, walking backwards.
- Hahn Jr, David LWIgranted 2004-05-04cancelled 2004-06-08
Successor callsigns
Callsigns held now by people who previously held AB9JI.
- Hahn, David LWIgranted 2026-03-10