Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3ZN callsign genealogy
Currently held by Vestal, Zachary H
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 K3ZN's current licensee, walking backwards.
- Vestal, Zachary HCOgranted 2024-04-23cancelled 2025-07-01
Successor callsigns
Callsigns held now by people who previously held K3ZN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3ZN, oldest first.
- Zelinski, Joseph W MD2013-06-27 → cancelled 2025-06-11
- Vestal, Zachary H CO2025-07-01 active