Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4JCB callsign genealogy
Currently held by Bruenderman, John 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 KC4JCB's current licensee, walking backwards.
- Bruenderman, John CKYgranted 2020-10-28cancelled 2020-11-20
Successor callsigns
Callsigns held now by people who previously held KC4JCB.
No current licensee on record previously held this callsign.