Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ZDX callsign genealogy
Currently held by APPLEGATE, STEPHEN 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 W3ZDX's current licensee, walking backwards.
- APPLEGATE, STEPHEN JPAgranted 2018-04-03cancelled 2018-09-08
Successor callsigns
Callsigns held now by people who previously held W3ZDX.
No current licensee on record previously held this callsign.