Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6AJN callsign genealogy
Currently held by Okuma, Ryuta
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 K6AJN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K6AJN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6AJN, oldest first.
- REILLY, JOSEPH P CA1988-03-01 → cancelled 2000-03-02
- Okuma, Ryuta CA2017-03-14 active