Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N2OJ callsign genealogy
Currently held by Duncan, David
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 N2OJ's current licensee, walking backwards.
- Duncan, DavidFLgranted 2022-05-11cancelled 2023-01-10
Successor callsigns
Callsigns held now by people who previously held N2OJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2OJ, oldest first.
- OBSON, STEPHEN G NY2010-11-16 → cancelled 2022-11-29
- Duncan, David FL2023-01-10 active