Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4UNS callsign genealogy
Currently held by MC GILL, REBECCA D
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 KB4UNS's current licensee, walking backwards.
- BRUNS, MATTHEWUTgranted 2020-02-26cancelled 2020-03-17
Successor callsigns
Callsigns held now by people who previously held KB4UNS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4UNS, oldest first.
- MC GILL, REBECCA D AL1998-06-11 → cancelled 2010-06-12
- BRUNS, MATTHEW WA2020-03-17 active