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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

WX0DX callsign genealogy

Currently held by SMITH, ROGER D

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 WX0DX's current licensee, walking backwards.

  1. AI0Hactive· E
    Breitbarth, ChristianMNgranted 2023-06-23
  2. KF0FQVcancelled· E
    Breitbarth, ChristianMNgranted 2021-05-14cancelled 2023-06-23

Successor callsigns

Callsigns held now by people who previously held WX0DX.

  1. KK0Wcancelled· E
    SMITH, ROGER DMOgranted 2021-12-21cancelled 2022-11-18
  2. AI0UUcancelled· E
    SMITH, ROGER DMOgranted 2019-05-14cancelled 2019-07-23
  3. AA0AHcancelled· E
    SMITH, ROGER DMOgranted 2016-11-15cancelled 2017-03-12

All historical holders

Every license row we've seen with the callsign WX0DX, oldest first.

  • SMITH, ROGER D MO
    2016-03-22 → cancelled 2016-11-15
  • SMITH, ROGER D MO
    2019-03-05 → cancelled 2019-05-14
  • SMITH, ROGER D MO
    2021-06-04 → cancelled 2021-12-21
← Back to WX0DX License history →