Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K0BKB callsign genealogy
Currently held by JOHNSON, BERTIL E
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 K0BKB's current licensee, walking backwards.
- Beauchamp, BrentFLgranted 2026-06-18cancelled 2026-07-07
Successor callsigns
Callsigns held now by people who previously held K0BKB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0BKB, oldest first.
- JOHNSON, BERTIL E FL2013-03-02 → cancelled 2025-03-18
- Beauchamp, Brent K FL2026-07-07 active