Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4GTW callsign genealogy
Currently held by DOBY, EARL 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 W4GTW's current licensee, walking backwards.
- Wern, ThomasFLgranted 2022-05-24cancelled 2022-06-11
Successor callsigns
Callsigns held now by people who previously held W4GTW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4GTW, oldest first.
- DOBY, EARL J SC1997-02-17 → cancelled 2009-02-18
- Wern, Thomas FL2022-06-11 active