Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4JZ callsign genealogy
Currently held by Leathers, Ryan
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 KX4JZ's current licensee, walking backwards.
- Leathers, RyanNCgranted 2018-02-28cancelled 2018-03-26
Successor callsigns
Callsigns held now by people who previously held KX4JZ.
- Leathers, RyanNCgranted 2018-05-22