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

AD3N callsign genealogy

Currently held by SCHWARTZ, WILLIAM M

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 AD3N's current licensee, walking backwards.

  1. AA4CZcancelled· E
    CARRENDER, CHARLES EGAgranted 2023-05-05cancelled 2023-07-28
  2. KY4WZcancelled· E
    CARRENDER, CHARLES EGAgranted 2023-03-07cancelled 2023-05-05
  3. KQ4GPIcancelled· E
    CARRENDER, CHARLES EGAgranted 2023-03-07cancelled 2023-04-10

Successor callsigns

Callsigns held now by people who previously held AD3N.

  1. K3WIactive· E
    SCHWARTZ, WILLIAM MDEgranted 2020-06-09

All historical holders

Every license row we've seen with the callsign AD3N, oldest first.

  • SCHWARTZ, WILLIAM M MD
    1999-02-25 → cancelled 2000-07-18
  • HAMM, ARCHIE R FL
    2023-03-30 active
← Back to AD3N License history →