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

AB9IC callsign genealogy

Currently held by Dorschner, Todd 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 AB9IC's current licensee, walking backwards.

  1. KC9TADcancelled· E
    Dorschner, Todd AWIgranted 2001-09-07cancelled 2003-10-15
  2. KC9ACScancelled· T
    Dorschner, Todd AWIgranted 2001-08-08cancelled 2001-09-07

Successor callsigns

Callsigns held now by people who previously held AB9IC.

  1. N9MYactive· E
    Dorschner, Todd AWIgranted 2025-09-27
← Back to AB9IC License history →