Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4WMW callsign genealogy
Currently held by Madorin, Thomas C
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 W4WMW's current licensee, walking backwards.
- Madorin, Thomas CGAgranted 2017-09-05cancelled 2018-01-13
Successor callsigns
Callsigns held now by people who previously held W4WMW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4WMW, oldest first.
- Madorin, Thomas C GA2018-01-13 active
- GALLOWAY, JAMES S— → cancelled 1998-11-09