Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH0J callsign genealogy
Currently held by Nakajima, Isao
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 KH0J's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KH0J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH0J, oldest first.
- FUKUCHI, AKIO GA2012-12-18 → cancelled 2024-12-24
- Nakajima, Isao MP2025-01-31 active