Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4HI callsign genealogy
Currently held by Ozaki, Yukihito
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 KY4HI's current licensee, walking backwards.
- Ozaki, YukihitoKYgranted 2021-02-24cancelled 2021-04-24
Successor callsigns
Callsigns held now by people who previously held KY4HI.
No current licensee on record previously held this callsign.