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

KB9UJD callsign genealogy

Currently held by SMITH, BRADLEY S

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 KB9UJD's current licensee, walking backwards.

  1. WW9WWWactive· T
    Zambrana, Gabriel MCAgranted 2018-05-22
  2. KM6SRHcancelled· T
    Zambrana, Gabriel MCAgranted 2018-05-04cancelled 2018-05-22

Successor callsigns

Callsigns held now by people who previously held KB9UJD.

  1. WW9WWWcancelled· E
    SMITH, BRADLEY SILgranted 2000-09-29cancelled 2005-12-08
  2. WW9WWWcancelled· G
    SMITH, BRADLEY SILgranted 2000-04-14cancelled 2000-09-06

All historical holders

Every license row we've seen with the callsign KB9UJD, oldest first.

  • SMITH, BRADLEY S IL
    1999-03-24 → cancelled 2000-04-14
  • SMITH, BRADLEY S IL
    2000-09-06 → cancelled 2000-09-29
← Back to KB9UJD License history →