Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4WTM callsign genealogy
Currently held by Russell, Thomas A
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 W4WTM's current licensee, walking backwards.
- Russell, Thomas AGAgranted 2017-05-12cancelled 2025-09-27
Successor callsigns
Callsigns held now by people who previously held W4WTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4WTM, oldest first.
- Millar, William T NC2014-06-19 → cancelled 2025-08-26
- Russell, Thomas A GA2025-09-27 active