Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9MB callsign genealogy
Currently held by Barbeau, Max 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 WI9MB's current licensee, walking backwards.
- Barbeau, Max JWIgranted 2020-04-24cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held WI9MB.
No current licensee on record previously held this callsign.