Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4BRO callsign genealogy
Currently held by GREATER MASON COUNTY AMATEUR RADIO ASSN
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 KF4BRO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF4BRO.
- WB4NactiveGREATER MASON COUNTY AMATEUR RADIO ASSNKYgranted 2025-05-28