Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4EUS callsign genealogy
Currently held by Guldin, Stephen 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 W4EUS's current licensee, walking backwards.
- Guldin, Stephen TALgranted 2020-03-09cancelled 2022-02-01
Successor callsigns
Callsigns held now by people who previously held W4EUS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4EUS, oldest first.
- ERICSSON TRIANGLE AMATEUR RADIO CLUB NC2006-12-12 → cancelled 2018-12-13
- Guldin, Stephen T AL2022-02-01 active