Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ9I callsign genealogy
Currently held by HURST SR, RONALD 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 KZ9I's current licensee, walking backwards.
- Nieman, Marvin CWIgranted 2004-03-02cancelled 2006-04-25
Successor callsigns
Callsigns held now by people who previously held KZ9I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KZ9I, oldest first.
- HURST SR, RONALD R IL1994-04-05 → cancelled 2006-04-06
- NIEMAN, MARVIN C WI2026-03-04 active