Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1DMT callsign genealogy
Currently held by THOMAS, DAVID 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 N1DMT's current licensee, walking backwards.
- THOMAS, DAVID MVAgranted 2002-02-19cancelled 2005-03-02
Successor callsigns
Callsigns held now by people who previously held N1DMT.
- BALDWIN, RICHARD LPAgranted 1998-06-02cancelled 2000-02-05
All historical holders
Every license row we've seen with the callsign N1DMT, oldest first.
- THOMAS, DAVID M NC2024-12-11 active
- BALDWIN, RICHARD L— → cancelled 1998-06-02