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

WD3D callsign genealogy

Currently held by HAUSER, CHESTER A

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 WD3D's current licensee, walking backwards.

  1. N4FPVactive· G
    PINKHAM, STEVEN ENCgranted 2025-07-29
  2. KC2CBIcancelled· T
    PINKHAM, STEVEN ENCgranted 2017-04-12cancelled 2025-07-29

Successor callsigns

Callsigns held now by people who previously held WD3D.

  1. W3DOactive· E
    BOSAK, GERALD LPAgranted 2019-04-23

All historical holders

Every license row we've seen with the callsign WD3D, oldest first.

  • HAUSER, CHESTER A PA
    2000-05-17 → cancelled 2012-08-08
  • BOSAK, GERALD L PA
    2012-08-28 → cancelled 2019-04-23
  • James Jr, Eddie R GA
    2021-05-14 active
← Back to WD3D License history →