Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0BNZ callsign genealogy
Currently held by Finch, Gregory G
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 K0BNZ's current licensee, walking backwards.
- Finch, Gregory GCOgranted 2014-08-21cancelled 2020-02-21
Successor callsigns
Callsigns held now by people who previously held K0BNZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0BNZ, oldest first.
- BAGDONS, DUANE R MN2005-02-02 → cancelled 2017-04-28
- Finch, Gregory G CO2020-02-21 active