Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9ZI callsign genealogy
Currently held by DEZARN, DARYL R
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 K9ZI's current licensee, walking backwards.
- Brenner, Kenneth WILgranted 1999-12-16cancelled 2008-02-12
Successor callsigns
Callsigns held now by people who previously held K9ZI.
- DEZARN, DARYL RINgranted 2025-11-27
All historical holders
Every license row we've seen with the callsign K9ZI, oldest first.
- DEZARN, DARYL R IN2001-06-12 → cancelled 2006-01-06
- Brenner, Kenneth W IL2017-11-28 active