Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4GX callsign genealogy
Currently held by Dunbar, Andrew
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 W4GX's current licensee, walking backwards.
- Dunbar, AndrewCAgranted 2024-10-12cancelled 2025-09-12
Successor callsigns
Callsigns held now by people who previously held W4GX.
- WILLIAMSON JR, O GORDONFLgranted 2023-08-22
All historical holders
Every license row we've seen with the callsign W4GX, oldest first.
- ELKINS, OSCAR T TN2008-11-26 → cancelled 2017-09-22
- WILLIAMSON JR, O GORDON FL2019-10-11 → cancelled 2023-08-22
- Dunbar, Andrew CA2025-09-12 active