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

AI4HF callsign genealogy

Currently held by Gibson, Austin R

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 AI4HF's current licensee, walking backwards.

  1. AB2OKcancelled· E
    Gibson, Austin RFLgranted 2002-03-11cancelled 2004-09-17
  2. KB2IWUcancelled· E
    Gibson, Austin RNYgranted 2002-03-11cancelled 2002-04-03

Successor callsigns

Callsigns held now by people who previously held AI4HF.

No current licensee on record previously held this callsign.

← Back to AI4HF License history →