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

AI4DH callsign genealogy

Currently held by HOWELLS, DAVID 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 AI4DH's current licensee, walking backwards.

  1. AK4QNcancelled· E
    HOWELLS, DAVID JGAgranted 2006-01-25cancelled 2012-11-02
  2. KI4NIQcancelled· E
    HOWELLS, DAVID JGAgranted 2006-01-25cancelled 2012-02-16

Successor callsigns

Callsigns held now by people who previously held AI4DH.

  1. N6HVPcancelled· E
    VINES, MICHAEL DKYgranted 2005-07-02cancelled 2006-04-13

All historical holders

Every license row we've seen with the callsign AI4DH, oldest first.

  • VINES, MICHAEL D KY
    1997-05-20 → cancelled 2005-07-02
  • HOWELLS, DAVID J GA
    2023-02-24 active
← Back to AI4DH License history →