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

WW4DD callsign genealogy

Currently held by CATON JR, WILLIAM H

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 WW4DD's current licensee, walking backwards.

  1. N4AOKcancelled· E
    White, John WTNgranted 2022-06-01cancelled 2025-05-02
  2. KO4ZYHcancelled· T
    White, John WTNgranted 2022-04-18cancelled 2022-06-01

Successor callsigns

Callsigns held now by people who previously held WW4DD.

  1. N3PVactive· E
    CATON JR, WILLIAM HSCgranted 2021-11-23

All historical holders

Every license row we've seen with the callsign WW4DD, oldest first.

  • CATON JR, WILLIAM H SC
    2021-10-08 → cancelled 2021-11-23
  • White, John W TN
    2025-05-02 active
← Back to WW4DD License history →