Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4MB callsign genealogy
Currently held by BARBATO, MITCHELL
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 KX4MB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KX4MB.
No current licensee on record previously held this callsign.