Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6FUW callsign genealogy
Currently held by Kuboyama, Kazutaka
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 K6FUW's current licensee, walking backwards.
- Kuboyama, KazutakaCAgranted 2018-08-16cancelled 2018-09-05
Successor callsigns
Callsigns held now by people who previously held K6FUW.
No current licensee on record previously held this callsign.