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

W4WVT callsign genealogy

Currently held by Heilmann, John 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 W4WVT's current licensee, walking backwards.

  1. W7VPIcancelled· G
    Heilmann, John DNCgranted 2022-02-26cancelled 2024-10-25
  2. KO4WKRcancelled· G
    Heilmann, John DNCgranted 2022-02-07cancelled 2022-02-26

Successor callsigns

Callsigns held now by people who previously held W4WVT.

  1. K8VPIactive· G
    Heilmann, John DOHgranted 2026-02-20
← Back to W4WVT License history →