Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SBF callsign genealogy
Currently held by FISHER, SENECA B
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 K4SBF's current licensee, walking backwards.
- FISHER, SENECANCgranted 2024-09-14cancelled 2026-04-28
Successor callsigns
Callsigns held now by people who previously held K4SBF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SBF, oldest first.
- STINSON, PAUL N FL1995-08-18 → cancelled 2004-07-22
- FISHER, SENECA B NC2026-04-28 active