Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9MAZ callsign genealogy
Currently held by ZAMUDIO, MATTHEW A
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 K9MAZ's current licensee, walking backwards.
- ZAMUDIO, MATTHEW AILgranted 2025-09-13cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held K9MAZ.
No current licensee on record previously held this callsign.