Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4BWU callsign genealogy
Currently held by Rico, Antonio
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 KB4BWU's current licensee, walking backwards.
- Rico, AntonioCAgranted 2017-12-04cancelled 2017-12-22
Successor callsigns
Callsigns held now by people who previously held KB4BWU.
- ARTHUR JR, JAMES OGAgranted 1989-05-23cancelled 2001-05-24