Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1NMI callsign genealogy
Currently held by SAGAMANG, DAVID J
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 N1NMI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N1NMI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1NMI, oldest first.
- SAGAMANG, DAVID E RI1992-09-15 → cancelled 2004-09-16
- SAGAMANG, DAVID J KS2019-04-02 active