Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4JZ callsign genealogy
Currently held by May, Adam I
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 KZ4JZ's current licensee, walking backwards.
- May, Adam IGAgranted 2023-11-02cancelled 2024-07-23
Successor callsigns
Callsigns held now by people who previously held KZ4JZ.
No current licensee on record previously held this callsign.