Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3KOX callsign genealogy
Currently held by ZRINSKY, CHARLES
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 W3KOX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W3KOX.
No current licensee on record previously held this callsign.