Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB4MB callsign genealogy
Currently held by BRZESCINSKI, KRISTOPHER E
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 KB4MB's current licensee, walking backwards.
- BRZESCINSKI, KRISTOPHER ENCgranted 2009-04-03cancelled 2010-01-15
Successor callsigns
Callsigns held now by people who previously held KB4MB.
No current licensee on record previously held this callsign.