Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1AJX callsign genealogy
Currently held by Kumakura, Masamichi
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 K1AJX's current licensee, walking backwards.
- Kumakura, MasamichiAZgranted 2010-06-14cancelled 2010-07-02
Successor callsigns
Callsigns held now by people who previously held K1AJX.
No current licensee on record previously held this callsign.