uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KJ3M callsign genealogy

Currently held by HYATT, JAMES C

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 KJ3M's current licensee, walking backwards.

  1. K1WATactive· E
    Vdovenko, OlegNCgranted 2026-05-29
  2. WX3Tcancelled· E
    Vdovenko, OlegNCgranted 2026-05-05cancelled 2026-05-29

Successor callsigns

Callsigns held now by people who previously held KJ3M.

  1. K1WATcancelled· E
    Vdovenko, OlegNCgranted 2025-02-14cancelled 2026-05-05
  2. K1WATcancelled· E
    Vdovenko, OlegPAgranted 2024-08-30cancelled 2024-10-08
  3. K1WATcancelled· E
    Vdovenko, OlegPAgranted 2023-03-24cancelled 2024-03-09
  4. W3IVMactive· E
    HYATT, JAMES CMDgranted 2020-12-01

All historical holders

Every license row we've seen with the callsign KJ3M, oldest first.

  • HYATT, JAMES C MD
    2017-05-09 → cancelled 2020-12-01
  • Vdovenko, Oleg PA
    2022-12-20 → cancelled 2023-03-24
  • Vdovenko, Oleg PA
    2024-03-09 → cancelled 2024-08-30
  • Vdovenko, Oleg PA
    2024-10-08 → cancelled 2025-02-14
← Back to KJ3M License history →