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

N4DCD callsign genealogy

Currently held by Riale, Nicholas 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 N4DCD's current licensee, walking backwards.

  1. W2NERactive· G
    Riale, Nicholas ESCgranted 2018-08-31
  2. N3NERcancelled· G
    Riale, Nicholas ESCgranted 2018-03-03cancelled 2018-08-31

Successor callsigns

Callsigns held now by people who previously held N4DCD.

  1. N3NERcancelled· G
    Riale, Nicholas ESCgranted 2018-03-03cancelled 2018-08-31
  2. W3NDTcancelled· E
    DUNCAN, DONALD CNCgranted 2014-09-26cancelled 2020-09-04

All historical holders

Every license row we've seen with the callsign N4DCD, oldest first.

  • DUNCAN, DONALD C NC
    2010-02-12 → cancelled 2014-09-26
  • Riale, Nicholas E NY
    2016-10-15 → cancelled 2018-03-03
← Back to N4DCD License history →