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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KY4DW callsign genealogy

Currently held by CLEMENTS, DAVID W

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 KY4DW's current licensee, walking backwards.

  1. AJ6Dactive· E
    Shimizu, HajimeCAgranted 2019-04-23
  2. AF6QMcancelled· E
    Shimizu, HajimeCAgranted 2002-08-28cancelled 2009-06-23
  3. KG6MYXcancelled· E
    Shimizu, HajimeCAgranted 2002-08-28cancelled 2009-06-05

Successor callsigns

Callsigns held now by people who previously held KY4DW.

  1. K6DWCactive· E
    CLEMENTS, DAVID WCAgranted 2021-02-16
← Back to KY4DW License history →