Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KR4BG callsign genealogy
Currently held by BRILL, MATTHEW 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 KR4BG's current licensee, walking backwards.
- KA4ONHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KR4BG.
- BRILL, MATTHEW CWAgranted 2021-11-20cancelled 2022-06-01