Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6DUZ callsign genealogy
Currently held by HORIDE, KOJI
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 W6DUZ's current licensee, walking backwards.
- HORIDE, KOJICAgranted 2012-02-13cancelled 2017-11-25
Successor callsigns
Callsigns held now by people who previously held W6DUZ.
No current licensee on record previously held this callsign.