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

KD4BA callsign genealogy

Currently held by ARNOLD, WILLIAM B

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 KD4BA's current licensee, walking backwards.

  1. AG4EBcancelled· E
    ARNOLD, WILLIAM BALgranted 2000-11-22cancelled 2008-02-02
  2. KI5DBactive· E
    Brandon, DavidTXgranted 2023-01-24
  3. KI5YXTcancelled· E
    Brandon, DavidTXgranted 2022-11-26cancelled 2023-01-24

Successor callsigns

Callsigns held now by people who previously held KD4BA.

  1. N4WBAactive· E
    ARNOLD, WILLIAM BALgranted 2020-12-29
← Back to KD4BA License history →