Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5DMX callsign genealogy
Currently held by Maddux, Daniel
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 W5DMX's current licensee, walking backwards.
- Maddux, Daniel ROKgranted 2023-09-06cancelled 2023-09-26
Successor callsigns
Callsigns held now by people who previously held W5DMX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5DMX, oldest first.
- JALOWY, WILLIE A TX1994-06-17 → cancelled 2006-06-20
- Maddux, Daniel OK2023-09-26 active