Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9KRZ callsign genealogy
Currently held by ZELL, ROBERT
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 N9KRZ's current licensee, walking backwards.
- ZELL, ROBERTILgranted 2025-06-24cancelled 2025-07-12
Successor callsigns
Callsigns held now by people who previously held N9KRZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9KRZ, oldest first.
- LABRAGUE, NICANOR H IL1991-03-19 → cancelled 2003-03-20
- ZELL, ROBERT IL2025-07-12 active