Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0SBF callsign genealogy
Currently held by Fahlgren, Brenda
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 N0SBF's current licensee, walking backwards.
- Fahlgren, BrendaCOgranted 2024-10-16cancelled 2025-02-19
Successor callsigns
Callsigns held now by people who previously held N0SBF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0SBF, oldest first.
- OLIVER, DAVID C CO1993-06-22 → cancelled 2005-06-23
- Fahlgren, Brenda CO2025-02-19 active