Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0SOJ callsign genealogy
Currently held by Kansas City MO Emergency Operations Contingency
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 KC0SOJ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC0SOJ.
- W0OEMactiveKansas City MO Emergency Operations ContingencyMOgranted 2026-05-22