Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7WB callsign genealogy
Currently held by Hibino, Yoshio
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 AC7WB's current licensee, walking backwards.
- Hibino, YoshioORgranted 2001-04-19cancelled 2002-10-15
Successor callsigns
Callsigns held now by people who previously held AC7WB.
No current licensee on record previously held this callsign.