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

NA3RB callsign genealogy

Currently held by BALDWIN, RICHARD L

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 NA3RB's current licensee, walking backwards.

  1. N1DMTactive· G
    THOMAS, DAVID MNCgranted 2024-12-11
  2. KC9BCJcancelled· G
    THOMAS, DAVID MVAgranted 2002-02-19cancelled 2005-03-02

Successor callsigns

Callsigns held now by people who previously held NA3RB.

  1. NI3Rexpired· E
    BALDWIN, RICHARD LFLgranted 2000-02-05cancelled 2012-02-07
← Back to NA3RB License history →