Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SZ callsign genealogy
Currently held by GORMSEN, SVEND T
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 W4SZ's current licensee, walking backwards.
- Fuller, Gene ETXgranted 2000-08-30cancelled 2000-09-26
Successor callsigns
Callsigns held now by people who previously held W4SZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4SZ, oldest first.
- GORMSEN, SVEND T FL1988-09-06 → cancelled 2000-09-07
- Fuller, Gene E FL2020-07-08 active