Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5KZ callsign genealogy
Currently held by HULLAR, THEODORE W
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 K5KZ's current licensee, walking backwards.
- HULLAR, THEODORE WCAgranted 2005-02-03cancelled 2011-02-25
Successor callsigns
Callsigns held now by people who previously held K5KZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5KZ, oldest first.
- Clark, Michael B TX1999-02-05 → cancelled 2008-01-27
- HULLAR, THEODORE W CA2020-12-10 active