Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0BJA callsign genealogy
Currently held by Alwin, Brian J
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 W0BJA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W0BJA.
No current licensee on record previously held this callsign.