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

AC4WK 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 AC4WK's current licensee, walking backwards.

  1. KC2BOBactive· G
    STEVENSON, ROBERT NNYgranted 2023-03-03
  2. WQ4BOBcancelled· G
    STEVENSON, ROBERT NNYgranted 2009-10-20cancelled 2013-03-01
  3. KC2EKTcancelled· T
    STEVENSON, ROBERT Ncancelled 1998-12-30

Successor callsigns

Callsigns held now by people who previously held AC4WK.

  1. AD4Iactive· E
    D'ELIA, ALBERTOFLgranted 2020-02-14

All historical holders

Every license row we've seen with the callsign AC4WK, oldest first.

  • D'Elia, Alberto GA
    1995-01-23 → cancelled 2000-04-07
  • Kumari, Warren K VA
    2019-06-06 active
← Back to AC4WK License history →