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

KC9N callsign genealogy

Currently held by NIELSEN, CHRISTIAN A

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 KC9N's current licensee, walking backwards.

  1. AB9EGcancelled· E
    NIELSEN, CHRISTIAN AINgranted 2000-03-09cancelled 2002-04-09
  2. KB9VXGcancelled· E
    NIELSEN, CHRISTIAN AINgranted 2000-03-09cancelled 2002-03-05

Successor callsigns

Callsigns held now by people who previously held KC9N.

  1. W9VIactive· E
    FREIMARK, DAVID CWIgranted 2016-11-17
← Back to KC9N License history →