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

KO4VW callsign genealogy

Currently held by Easterday, Thomas L

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 KO4VW's current licensee, walking backwards.

  1. KO4HVWcancelled· E
    RANDALL, STEVEN PGAgranted 2020-09-25cancelled 2020-10-31

Successor callsigns

Callsigns held now by people who previously held KO4VW.

  1. KI0SDactive· A
    Easterday, Thomas LOKgranted 2022-03-24

All historical holders

Every license row we've seen with the callsign KO4VW, oldest first.

  • Easterday, Thomas L MN
    1992-04-14 → cancelled 2002-02-20
  • RANDALL, STEVEN P GA
    2020-10-31 active
← Back to KO4VW License history →