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

AD4I callsign genealogy

Currently held by D'ELIA, ALBERTO

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 AD4I's current licensee, walking backwards.

  1. AC4WKactive· E
    Kumari, Warren KVAgranted 2019-06-06
  2. KC2BOBactive· G
    STEVENSON, ROBERT NNYgranted 2023-03-03
  3. WQ4BOBcancelled· G
    STEVENSON, ROBERT NNYgranted 2009-10-20cancelled 2013-03-01
  4. KC2EKTcancelled· T
    STEVENSON, ROBERT Ncancelled 1998-12-30

Successor callsigns

Callsigns held now by people who previously held AD4I.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AD4I, oldest first.

  • BROUGHTON JR, JOHN B SC
    1988-02-02 → cancelled 2000-02-03
  • D'ELIA, ALBERTO FL
    2020-02-14 active
← Back to AD4I License history →