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

N3VO callsign genealogy

Currently held by HARTON III, MARCUS W

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 N3VO's current licensee, walking backwards.

  1. NZ4Eactive· E
    SMYTH, PATRICK SAPgranted 2023-09-01
  2. KN6IQBcancelled· E
    SMYTH, PATRICK SAEgranted 2020-04-20cancelled 2023-09-01

Successor callsigns

Callsigns held now by people who previously held N3VO.

  1. W3AVOcancelled· E
    Nakade, MasumiWAgranted 2007-07-03cancelled 2012-09-01

All historical holders

Every license row we've seen with the callsign N3VO, oldest first.

  • Nakade, Masumi FL
    2003-07-02 → cancelled 2007-07-03
  • Nakata, Shusuke CA
    2009-07-24 → cancelled 2021-07-27
  • HARTON III, MARCUS W MD
    2021-08-13 active
← Back to N3VO License history →