Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4MKQ callsign genealogy
Currently held by DUNN III, OSCAR C
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 KC4MKQ'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 KC4MKQ.
- Dunn III, Oscar CALgranted 2020-11-18