Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6JAZ callsign genealogy
Currently held by GOLDEN GATE RADIO CLUB
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 W6JAZ's current licensee, walking backwards.
- KI6DTWcancelledGOLDEN GATE RADIO CLUBCAgranted 2006-05-02cancelled 2006-05-23
Successor callsigns
Callsigns held now by people who previously held W6JAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6JAZ, oldest first.
- CHAMNESS, LEONARD J CA1994-03-22 → cancelled 2006-03-23
- GOLDEN GATE RADIO CLUB CA2016-03-21 active