Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9JRZ callsign genealogy
Currently held by Zumalt, Joseph 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 N9JRZ's current licensee, walking backwards.
- Zumalt, Joseph RILgranted 2022-04-15cancelled 2022-05-03
Successor callsigns
Callsigns held now by people who previously held N9JRZ.
- Sample, L PalmerFLgranted 2017-01-04
All historical holders
Every license row we've seen with the callsign N9JRZ, oldest first.
- Sample, L Palmer FL2002-04-02 → cancelled 2007-03-13
- Zumalt, Joseph R IL2022-05-03 active