Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN1D callsign genealogy
Currently held by Souza III, Antone
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 NN1D's current licensee, walking backwards.
- Souza III, AntoneMAgranted 2001-10-24cancelled 2005-06-07
Successor callsigns
Callsigns held now by people who previously held NN1D.
- TANGUAY, DONALD VMAgranted 2011-04-08cancelled 2017-01-30
All historical holders
Every license row we've seen with the callsign NN1D, oldest first.
- TANGUAY, DONALD V MA1999-02-03 → cancelled 2001-06-12
- Souza III, Antone NH2025-06-12 active