Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9DZ callsign genealogy
Currently held by PERRY, REX E
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 N9DZ's current licensee, walking backwards.
- Keithley, Glenn EMOgranted 2020-11-13cancelled 2023-04-22
Successor callsigns
Callsigns held now by people who previously held N9DZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9DZ, oldest first.
- PERRY, REX E IL2011-03-31 → cancelled 2023-04-04
- Keithley, Glenn E MO2023-04-22 active