Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA3ZU callsign genealogy
Currently held by Nishiyama, Junichi
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 AA3ZU's current licensee, walking backwards.
- Nishiyama, JunichiMDgranted 2002-05-06cancelled 2002-07-12
Successor callsigns
Callsigns held now by people who previously held AA3ZU.
No current licensee on record previously held this callsign.