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

K1WAT callsign genealogy

Currently held by Vdovenko, Oleg

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 K1WAT's current licensee, walking backwards.

  1. WX3Tcancelled· E
    Vdovenko, OlegNCgranted 2026-05-05cancelled 2026-05-29

Successor callsigns

Callsigns held now by people who previously held K1WAT.

  1. WX3Tcancelled· E
    Vdovenko, OlegNCgranted 2026-05-05cancelled 2026-05-29
  2. KJ3Mcancelled· E
    Vdovenko, OlegPAgranted 2024-10-08cancelled 2025-02-14
  3. KJ3Mcancelled· E
    Vdovenko, OlegPAgranted 2024-03-09cancelled 2024-08-30
  4. KJ3Mcancelled· E
    Vdovenko, OlegPAgranted 2022-12-20cancelled 2023-03-24

All historical holders

Every license row we've seen with the callsign K1WAT, oldest first.

  • Vdovenko, Oleg PA
    2020-06-05 → cancelled 2022-12-20
  • Vdovenko, Oleg PA
    2023-03-24 → cancelled 2024-03-09
  • Vdovenko, Oleg PA
    2024-08-30 → cancelled 2024-10-08
  • Vdovenko, Oleg NC
    2025-02-14 → cancelled 2026-05-05
  • Vdovenko, Oleg NC
    2026-05-29 active
← Back to K1WAT License history →