Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4RZM callsign genealogy
Currently held by BRIGMAN, DUREL
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 K4RZM's current licensee, walking backwards.
- Burke, Eric MSCgranted 2020-08-03cancelled 2020-08-21
Successor callsigns
Callsigns held now by people who previously held K4RZM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4RZM, oldest first.
- BRIGMAN, DUREL FL1988-06-21 → cancelled 2000-06-22
- Burke, Eric M SC2020-08-21 active