Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ5C callsign genealogy
Currently held by NISHIHARA, TATSUO
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 KZ5C's current licensee, walking backwards.
- NISHIHARA, TATSUOTXgranted 1999-12-22cancelled 2000-03-21
Successor callsigns
Callsigns held now by people who previously held KZ5C.
- KIMURA, TATSUHIKOCAgranted 2017-03-07