Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4RM callsign genealogy
Currently held by Brown Sr, Ross B
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 KZ4RM's current licensee, walking backwards.
- Brown Sr, Ross BNCgranted 2021-03-08cancelled 2025-03-20
Successor callsigns
Callsigns held now by people who previously held KZ4RM.
- Brown Sr, Ross BNCgranted 2025-04-22