Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6HZK callsign genealogy
Currently held by Cooper, John D
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 W6HZK's current licensee, walking backwards.
- Cooper, John DCAgranted 2016-08-11cancelled 2016-09-07
Successor callsigns
Callsigns held now by people who previously held W6HZK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6HZK, oldest first.
- COOPER, LA VERNE B CA1992-02-11 → cancelled 2004-02-12
- Cooper, John D ID2016-09-07 active