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

W0ZU callsign genealogy

Currently held by Keeney, Douglas E

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 W0ZU's current licensee, walking backwards.

  1. WD0FDUcancelled· E
    Keeney, Douglas EMOgranted 2014-12-02cancelled 2024-04-30
  2. KA0YRTcancelled· G
    Keeney, Douglas EMOgranted 1998-11-23cancelled 2005-02-26

Successor callsigns

Callsigns held now by people who previously held W0ZU.

  1. W0HFcancelled· E
    MOEHRLE, DALE HMOgranted 2000-02-08cancelled 2006-01-19

All historical holders

Every license row we've seen with the callsign W0ZU, oldest first.

  • MOEHRLE, DALE H MO
    1999-10-30 → cancelled 2000-02-08
  • LUTHE JR, HENRY P AZ
    2012-01-25 → cancelled 2024-04-10
  • Keeney, Douglas E MO
    2024-04-30 active
← Back to W0ZU License history →