Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N2SDE callsign genealogy
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 N2SDE's current licensee, walking backwards.
- Rinaudo, MatteoNYgranted 2025-05-13cancelled 2025-08-29
Successor callsigns
Callsigns held now by people who previously held N2SDE.
All historical holders
Every license row we've seen with the callsign N2SDE, oldest first.
- Rinaudo, Matteo NY2025-08-29 → cancelled 2026-03-24
- —— → cancelled 1998-02-10