Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA9XU callsign genealogy
Currently held by Adduci, Richard I
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 AA9XU's current licensee, walking backwards.
- ADDUCI, RICHARD IWIgranted 1999-12-22cancelled 2000-04-22
Successor callsigns
Callsigns held now by people who previously held AA9XU.
- Adduci, Richard IWIgranted 2020-03-03