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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AI4IH callsign genealogy

Currently held by Agnew, Dwight 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 AI4IH's current licensee, walking backwards.

  1. N4GSDactive· E
    Agnew, Dwight AKYgranted 2020-06-08
  2. AI4IIactive· E
    Fischer, John MNCgranted 2025-08-02
  3. KD6KHScancelled· E
    Fischer, John MNCgranted 2013-06-06cancelled 2015-10-20

Successor callsigns

Callsigns held now by people who previously held AI4IH.

  1. AI4IIcancelled· E
    Agnew, Dwight AVAgranted 2003-01-31cancelled 2010-07-30
← Back to AI4IH License history →