Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RZB callsign genealogy
Currently held by BROVIAK JR, RONALD Z
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 K4RZB's current licensee, walking backwards.
- BROVIAK JR, RONALD ZFLgranted 2021-01-14cancelled 2025-03-08
Successor callsigns
Callsigns held now by people who previously held K4RZB.
- BROADDUS JR, JAMES EFLgranted 2017-01-04