Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1SFG callsign genealogy
Currently held by Agustin, Jerry D
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 N1SFG's current licensee, walking backwards.
- Agustin, Jerry DNCgranted 2012-01-21cancelled 2018-06-26
Successor callsigns
Callsigns held now by people who previously held N1SFG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1SFG, oldest first.
- PRATT, MAURICE A MA1994-07-08 → cancelled 2006-07-11
- Agustin, Jerry D NC2018-06-26 active