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

K4VT callsign genealogy

Currently held by JOHNSON, JON H

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 K4VT's current licensee, walking backwards.

  1. W4PWactive· E
    RICHARDSON, MARKE WKYgranted 2023-11-25
  2. AF4NJcancelled· E
    RICHARDSON, MARKE WKYgranted 2017-10-18cancelled 2023-11-25
  3. KF4UUFcancelled· A
    RICHARDSON, MARKE Wcancelled 1999-02-14

Successor callsigns

Callsigns held now by people who previously held K4VT.

  1. W4HEactive· E
    JOHNSON, JON HKYgranted 2019-10-16

All historical holders

Every license row we've seen with the callsign K4VT, oldest first.

  • Poorman, Gary D GA
    2007-10-29 → cancelled 2015-11-18
  • JOHNSON, JON H KY
    2017-12-08 → cancelled 2019-10-16
  • HAINES, RUSSELL M FL
    2021-11-05 active
← Back to K4VT License history →