Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3OX callsign genealogy
Currently held by Fabbri, Tullio P
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 N3OX's current licensee, walking backwards.
- ZIMMERMAN, DANIEL SPAgranted 2005-01-04cancelled 2006-01-31
Successor callsigns
Callsigns held now by people who previously held N3OX.
- Fabbri, Tullio PILgranted 2023-08-01
All historical holders
Every license row we've seen with the callsign N3OX, oldest first.
- Fabbri, Tullio P IL2003-01-22 → cancelled 2003-10-24
- ZIMMERMAN, DANIEL S NY2025-12-02 active