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

N8DU callsign genealogy

Currently held by DUERR, ROBERT A

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 N8DU's current licensee, walking backwards.

  1. AC6IUcancelled· E
    UITTI, DAVID GCAgranted 2002-03-19cancelled 2006-03-18
  2. KA1WAS
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N8DU.

  1. W8ABactive· E
    COOPER, MICHAEL TMIgranted 2023-12-05
  2. N2BDcancelled· E
    DUERR, ROBERT AOHgranted 2008-09-25cancelled 2018-02-21

All historical holders

Every license row we've seen with the callsign N8DU, oldest first.

  • COOPER, MICHAEL T MI
    2003-03-14 → cancelled 2004-02-18
  • UITTI, DAVID G CA
    2016-01-12 active
  • DUERR, ROBERT A
    — → cancelled 1998-12-15
← Back to N8DU License history →