Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3MBR callsign genealogy
Currently held by Stewart II, Don 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 KC3MBR'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 KC3MBR.
- Stewart II, Don EPAgranted 2019-10-18