Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4AMZ callsign genealogy
Currently held by MARTINEZ, MARIO J
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 KI4AMZ's current licensee, walking backwards.
- MARTINEZ GONZALEZ, MARIO JFLgranted 1997-01-06cancelled 2003-05-22
Successor callsigns
Callsigns held now by people who previously held KI4AMZ.
No current licensee on record previously held this callsign.