Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3MB callsign genealogy
Currently held by Breit, Matthew P
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 AC3MB's current licensee, walking backwards.
- Breit, Matthew PPAgranted 2020-06-18cancelled 2020-11-17
Successor callsigns
Callsigns held now by people who previously held AC3MB.
No current licensee on record previously held this callsign.