Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NH6JO callsign genealogy
Currently held by MIZOGUCHI, KIYOSHI
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 NH6JO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held NH6JO.
- MIZOGUCHI, KIYOSHIHIgranted 2013-01-09cancelled 2025-03-12