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

AB3KN callsign genealogy

Currently held by Keller, Steven D

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 AB3KN's current licensee, walking backwards.

  1. AB3CNcancelled· E
    NELSON, KENNETH EMDgranted 2013-01-08cancelled 2018-03-02
  2. N8DXNcancelled· E
    NELSON, KENNETH EMDgranted 2003-01-17cancelled 2005-02-04

Successor callsigns

Callsigns held now by people who previously held AB3KN.

  1. KS1Dactive· E
    Keller, Steven DPAgranted 2020-11-10

All historical holders

Every license row we've seen with the callsign AB3KN, oldest first.

  • Keller, Steven D MD
    2010-02-04 → cancelled 2010-11-09
  • NELSON, KENNETH E MD
    2018-03-02 active
← Back to AB3KN License history →