Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4AMB 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 KM4AMB's current licensee, walking backwards.
- BARBATO, MITCHELLNCgranted 2009-07-13cancelled 2009-09-15
Successor callsigns
Callsigns held now by people who previously held KM4AMB.
- BARBATO, MITCHELLNCgranted 2022-06-14