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

KI0SN callsign genealogy

Currently held by Bauer, Joseph J

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 KI0SN's current licensee, walking backwards.

  1. W6NMCactive
    PACAREA Amateur Radio ClubCAgranted 2017-04-01
  2. KI6JPZcancelled
    PACAREA Amateur Radio ClubCAgranted 2007-05-09cancelled 2007-06-05

Successor callsigns

Callsigns held now by people who previously held KI0SN.

  1. KV4IIcancelled· A
    Bauer, Joseph JKYgranted 2008-06-03cancelled 2012-03-27
← Back to KI0SN License history →