Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN3X callsign genealogy
Currently held by Szymanski, Seth A
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 NN3X's current licensee, walking backwards.
- Szymanski, Seth APAgranted 2021-06-23cancelled 2023-01-06
Successor callsigns
Callsigns held now by people who previously held NN3X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NN3X, oldest first.
- DE MARCO SR, JAMES R PA2010-08-27 → cancelled 2022-10-18
- Szymanski, Seth A PA2023-01-06 active