Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4DH callsign genealogy
Currently held by Leiva, Fanor
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 KZ4DH's current licensee, walking backwards.
- Leiva, FanorFLgranted 2023-11-23cancelled 2024-01-02
Successor callsigns
Callsigns held now by people who previously held KZ4DH.
No current licensee on record previously held this callsign.