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

NK3B callsign genealogy

Currently held by Howard, Richard R

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 NK3B's current licensee, walking backwards.

  1. KD4YQYcancelled· E
    Ortega, Oscar EMDgranted 2002-12-05cancelled 2012-03-30

Successor callsigns

Callsigns held now by people who previously held NK3B.

  1. W7XJcancelled· E
    Howard, Richard RORgranted 2008-06-06cancelled 2009-02-18
  2. K3UJexpired· E
    MC CANN, WILLIAM GMDgranted 2004-01-27cancelled 2016-01-28

All historical holders

Every license row we've seen with the callsign NK3B, oldest first.

  • MC CANN, WILLIAM G MD
    1996-11-26 → cancelled 2004-01-27
  • Howard, Richard R OR
    2008-04-04 → cancelled 2008-06-06
  • Ortega, Oscar E MD
    2023-03-07 active