Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K4CSZ callsign genealogy
Currently held by Stewart, Chris
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 K4CSZ's current licensee, walking backwards.
- Stewart, ChrisTNgranted 2020-04-14cancelled 2023-11-28
Successor callsigns
Callsigns held now by people who previously held K4CSZ.
No current licensee on record previously held this callsign.