Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SJD callsign genealogy
Currently held by DORNBURG, 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 W4SJD's current licensee, walking backwards.
- Dornburg, Stephen JSCgranted 2014-07-22cancelled 2014-08-09
Successor callsigns
Callsigns held now by people who previously held W4SJD.
No current licensee on record previously held this callsign.