Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3NZO callsign genealogy
Currently held by Takaoka, Eiichiro
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 W3NZO's current licensee, walking backwards.
- Takaoka, EiichiroPAgranted 2016-10-28cancelled 2016-11-15
Successor callsigns
Callsigns held now by people who previously held W3NZO.
- Takaoka, EiichiroPAgranted 2016-12-23