Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3SJZ callsign genealogy
Currently held by Zatko, Steve J
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 W3SJZ's current licensee, walking backwards.
- Zatko, Steve JPAgranted 2010-02-24cancelled 2010-03-26
Successor callsigns
Callsigns held now by people who previously held W3SJZ.
No current licensee on record previously held this callsign.