Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6JZ callsign genealogy
Currently held by Sorensen, Harold H
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 K6JZ's current licensee, walking backwards.
- Wheeler, John DCAgranted 2019-01-30cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held K6JZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6JZ, oldest first.
- Sorensen, Harold H CA2006-11-30 → cancelled 2019-02-21
- Wheeler, John D CA2019-03-12 active