Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4ZZX callsign genealogy
Currently held by Esteves, Nelson
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 W4ZZX's current licensee, walking backwards.
- ESTEVES 712, NELSONFLgranted 2016-11-15
Successor callsigns
Callsigns held now by people who previously held W4ZZX.
- ESTEVES 712, NELSONFLgranted 2016-11-15