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

K4WDW callsign genealogy

Currently held by Wilkins, William D

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 K4WDW's current licensee, walking backwards.

  1. K0KCIcancelled· E
    Thomas, Ryan PFLgranted 2017-05-05cancelled 2023-04-21
  2. KC0WPPcancelled· E
    Thomas, Ryan PMOgranted 2016-02-11cancelled 2017-05-05

Successor callsigns

Callsigns held now by people who previously held K4WDW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4WDW, oldest first.

  • Wilkins, William D VA
    2000-12-01 → cancelled 2012-12-04
  • Blake, Kathy A FL
    2013-12-31 → cancelled 2021-03-31
  • Thomas, Ryan P FL
    2023-04-21 active
← Back to K4WDW License history →