Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0BZN callsign genealogy
Currently held by BRUNKEN, JEFFREY 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 KC0BZN's current licensee, walking backwards.
- BRUNKEN, JEFFREY EMNgranted 2023-10-06cancelled 2023-10-24
Successor callsigns
Callsigns held now by people who previously held KC0BZN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0BZN, oldest first.
- Brunken, Jeffrey E MN2007-08-07 → cancelled 2019-09-24
- BRUNKEN, JEFFREY E MN2023-10-24 active