Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6KAZ callsign genealogy
Currently held by SHIRAI, KAZUO
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 K6KAZ's current licensee, walking backwards.
- Shin, Sunny SCAgranted 2024-04-23cancelled 2024-05-14
Successor callsigns
Callsigns held now by people who previously held K6KAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6KAZ, oldest first.
- SHIRAI, KAZUO CA2010-10-01 → cancelled 2022-10-04
- Shin, Sunny S CA2024-05-14 active