Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MZC callsign genealogy
Currently held by HIRSCH, EDWARD
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 K4MZC's current licensee, walking backwards.
- Zuniga Caamano, MarianoFLgranted 2021-04-30cancelled 2021-05-18
Successor callsigns
Callsigns held now by people who previously held K4MZC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MZC, oldest first.
- HIRSCH, EDWARD NC2002-11-01 → cancelled 2015-01-13
- Zuniga Caamano, Mariano FL2021-05-18 active