Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0BSJ callsign genealogy
Currently held by JEFFERS, BRYON S
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 K0BSJ's current licensee, walking backwards.
- JEFFERS, BRYON SMOgranted 1993-09-07cancelled 2000-05-12
Successor callsigns
Callsigns held now by people who previously held K0BSJ.
No current licensee on record previously held this callsign.