Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3SMZ callsign genealogy
Currently held by Goodwin, Shaun M
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 K3SMZ's current licensee, walking backwards.
- Goodwin, Shaun MMDgranted 2025-12-04cancelled 2026-01-06
Successor callsigns
Callsigns held now by people who previously held K3SMZ.
No current licensee on record previously held this callsign.