Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WZ4CDM callsign genealogy
Currently held by Mazzuca Mr., Carmen D
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 WZ4CDM's current licensee, walking backwards.
- Mazzuca, Carmen DFLgranted 2022-06-16cancelled 2022-11-15
Successor callsigns
Callsigns held now by people who previously held WZ4CDM.
No current licensee on record previously held this callsign.