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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K4XDX callsign genealogy

Currently held by WININGER, TIM L

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 K4XDX's current licensee, walking backwards.

  1. K2DRSexpired· E
    WAGNER, ALFONS GCAgranted 2010-02-23cancelled 2022-02-24
  2. KJ6EZUcancelled· T
    WAGNER, ALFONS GCAgranted 2010-02-01cancelled 2010-02-23

Successor callsigns

Callsigns held now by people who previously held K4XDX.

  1. KY5Rcancelled· E
    WININGER, TIM LALgranted 2012-08-08cancelled 2012-08-17

All historical holders

Every license row we've seen with the callsign K4XDX, oldest first.

  • WININGER, TIM L AL
    2000-06-20 → cancelled 2002-08-06
  • STAUGHTON, DARRELL R VA
    2025-12-12 active
← Back to K4XDX License history →