Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2SPG callsign genealogy
Currently held by GREENFIELD, SETH 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 N2SPG's current licensee, walking backwards.
- GREENFIELD, SETH PNYgranted 2021-02-19cancelled 2022-02-19
Successor callsigns
Callsigns held now by people who previously held N2SPG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2SPG, oldest first.
- DUGA, JAN V NY1992-09-29 → cancelled 2004-09-30
- GREENFIELD, SETH P NY2022-02-19 active