Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC6MRB callsign genealogy
Currently held by Brucker, Matthew R
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 KC6MRB's current licensee, walking backwards.
- Brucker, Matthew RCAgranted 2019-02-19cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held KC6MRB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC6MRB, oldest first.
- YOUNG, KEVIN R CA1991-09-03 → cancelled 2003-09-04
- Brucker, Matthew R CA2019-03-12 active