Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5SBF callsign genealogy
Currently held by Fox, Bryan
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 K5SBF's current licensee, walking backwards.
- Fox, BryanTXgranted 2026-04-07cancelled 2026-04-25
Successor callsigns
Callsigns held now by people who previously held K5SBF.
No current licensee on record previously held this callsign.