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

W1UZ callsign genealogy

Currently held by DUGAN, ROBERT 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 W1UZ's current licensee, walking backwards.

  1. KU4KTcancelled· E
    DE LA TORRE, OTTO IFLgranted 2005-09-08cancelled 2009-05-08
  2. KF4FAFcancelled· G
    DE LA TORRE, OTTO Icancelled 1997-09-23

Successor callsigns

Callsigns held now by people who previously held W1UZ.

  1. N1NYactive· E
    DUGAN, ROBERT DCTgranted 2022-03-23
  2. W1LAcancelled
    Tadmuck Swamp VHF SocietyFLgranted 2017-01-19cancelled 2024-01-09

All historical holders

Every license row we've seen with the callsign W1UZ, oldest first.

  • SWEENEY, EUGENE J CT
    1988-12-27 → cancelled 2000-12-28
  • DUGAN, ROBERT D CT
    2001-03-13 → cancelled 2002-04-03
  • Tadmuck Swamp Amateur Radio Society MA
    2004-04-23 → cancelled 2007-04-10
  • DE LA TORRE, OTTO I FL
    2019-12-13 active
← Back to W1UZ License history →