uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K4KZX callsign genealogy

Currently held by Snyder Jr, John P

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 K4KZX's current licensee, walking backwards.

  1. KC4ZKWcancelled· G
    Snyder Jr, John PSCgranted 2019-03-12cancelled 2021-08-03
  2. KC3DDFcancelled· G
    Snyder Jr, John PSCgranted 2014-06-26cancelled 2019-03-12

Successor callsigns

Callsigns held now by people who previously held K4KZX.

  1. W3ELIcancelled· G
    RUTLEDGE, STEPHEN EALgranted 2018-09-28cancelled 2019-05-24

All historical holders

Every license row we've seen with the callsign K4KZX, oldest first.

  • RUTLEDGE, STEPHEN E AL
    2018-06-02 → cancelled 2018-09-28
  • Snyder Jr, John P SC
    2021-08-03 active
← Back to K4KZX License history →