Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6WU callsign genealogy
Currently held by SUTTON, JOHN S
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 K6WU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K6WU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6WU, oldest first.
- SUTTON, JOHN S OR1995-10-18 → cancelled 2004-12-19
- VISTA VALLEY CONTEST CLUB CA2007-02-08 → cancelled 2019-02-12
- Mayes, David F CA2019-03-09 active