Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1MBB callsign genealogy
Currently held by BROSIOUS PA, Matt
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 W1MBB's current licensee, walking backwards.
- BROSIOUS, MATTHEW BFLgranted 2001-08-17cancelled 2010-07-30
Successor callsigns
Callsigns held now by people who previously held W1MBB.
No current licensee on record previously held this callsign.