Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9CFD callsign genealogy
Currently held by Brezina, Kenneth A
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 KB9CFD's current licensee, walking backwards.
- Brezina, Kenneth AILgranted 2023-11-09cancelled 2023-11-28
Successor callsigns
Callsigns held now by people who previously held KB9CFD.