Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR6CZ callsign genealogy
Currently held by Shibata, 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 KR6CZ's current licensee, walking backwards.
- SHIBATA, KOJICAgranted 1999-07-23cancelled 1999-10-23
Successor callsigns
Callsigns held now by people who previously held KR6CZ.
- Shibata, KojiAZgranted 2001-02-06cancelled 2013-02-07