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

NU3D callsign genealogy

Currently held by LOEBER, WILLIAM J

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 NU3D's current licensee, walking backwards.

  1. AC8KOcancelled· E
    LOEBER, WILLIAM JMIgranted 2011-01-26cancelled 2015-12-19
  2. KD8PSEcancelled· E
    LOEBER, WILLIAM JMIgranted 2011-01-26cancelled 2012-01-20
  3. KD8PKHcancelled· G
    LOEBER, WILLIAM JMIgranted 2011-01-26cancelled 2011-03-14

Successor callsigns

Callsigns held now by people who previously held NU3D.

  1. WQ6Ecancelled· E
    LA MARCA, TIMOTHY JCAgranted 2013-11-30cancelled 2014-12-19

All historical holders

Every license row we've seen with the callsign NU3D, oldest first.

  • GAVIN, GERALD R MD
    2001-04-18 → cancelled 2013-07-10
  • LA MARCA, TIMOTHY J CA
    2013-09-06 → cancelled 2013-11-30
  • LOEBER, WILLIAM J MI
    2025-09-26 active
← Back to NU3D License history →