Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NZ4ZN callsign genealogy
Currently held by Payton, Gregory D
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 NZ4ZN's current licensee, walking backwards.
- Shell Jr, James EVAgranted 2013-06-28cancelled 2014-02-28
Successor callsigns
Callsigns held now by people who previously held NZ4ZN.
- Payton, Gregory DKYgranted 2021-10-05
All historical holders
Every license row we've seen with the callsign NZ4ZN, oldest first.
- Payton, Gregory D KY2011-08-09 → cancelled 2011-11-04
- Shell Jr, James E MD2024-01-03 active