Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TMA callsign genealogy
Currently held by STURGILL, DONALD M
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 N4TMA's current licensee, walking backwards.
- Marshall, Timothy ANCgranted 2015-03-27cancelled 2020-06-16
Successor callsigns
Callsigns held now by people who previously held N4TMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TMA, oldest first.
- STURGILL, DONALD M VA1998-05-20 → cancelled 2010-05-21
- Marshall, Timothy A NC2020-06-16 active