Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4QZD callsign genealogy
Currently held by Garza, Mario N
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 KK4QZD's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KK4QZD.
- Garza, Mario NVAgranted 2013-05-29cancelled 2025-05-30