Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1UNO callsign genealogy
Currently held by Oberg, Mark M
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 N1UNO's current licensee, walking backwards.
- Oberg, Mark MMAgranted 2025-02-08cancelled 2026-05-02
Successor callsigns
Callsigns held now by people who previously held N1UNO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1UNO, oldest first.
- GREENE, ELLEN R TX1996-01-17 → cancelled 2007-03-15
- Oberg, Mark M MA2026-05-02 active