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

AB9KN callsign genealogy

Currently held by NUSSBAUM, KEVIN 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 AB9KN's current licensee, walking backwards.

  1. KC9QGRcancelled· E
    NUSSBAUM, KEVIN DINgranted 2009-07-30cancelled 2010-03-02

Successor callsigns

Callsigns held now by people who previously held AB9KN.

  1. KB9BKactive· E
    Edwards, Kevin BWIgranted 2025-02-19

All historical holders

Every license row we've seen with the callsign AB9KN, oldest first.

  • Edwards, Kevin B WI
    2005-01-31 → cancelled 2005-04-23
  • NUSSBAUM, KEVIN D IN
    2020-05-13 active