Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6UY callsign genealogy
Currently held by WILSON, HOWARD M
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 K6UY's current licensee, walking backwards.
- Yamaguchi, TomojiCAgranted 2023-05-24cancelled 2023-12-05
Successor callsigns
Callsigns held now by people who previously held K6UY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6UY, oldest first.
- WILSON, HOWARD M CA2011-09-21 → cancelled 2021-11-11
- Yamaguchi, Tomoji CA2023-12-05 active