Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0OXI callsign genealogy
Currently held by Fiedler, Byron J
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 KC0OXI's current licensee, walking backwards.
- Fiedler, Byron JMNgranted 1996-01-26cancelled 2003-01-27
Successor callsigns
Callsigns held now by people who previously held KC0OXI.
- Fiedler, Byron JMNgranted 1996-01-26cancelled 2003-11-25