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

KD4OV callsign genealogy

Currently held by THOMAS, DAVID M

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 KD4OV's current licensee, walking backwards.

  1. KK2OVVcancelled· E
    VILLALBA MR, ORESTES AGAgranted 2012-05-22cancelled 2017-07-28
  2. AK4HVcancelled· E
    VILLALBA, ORESTES AFLgranted 2003-07-02cancelled 2012-05-22
  3. KI4BJLcancelled· E
    VILLALBA, ORESTES AFLgranted 2003-07-02cancelled 2011-04-29

Successor callsigns

Callsigns held now by people who previously held KD4OV.

  1. WF4Factive· E
    VILLALBA MR, ORESTES AGAgranted 2017-09-06

All historical holders

Every license row we've seen with the callsign KD4OV, oldest first.

  • THOMAS, DAVID M FL
    1995-11-28 → cancelled 2007-11-29
  • VILLALBA MR, ORESTES A GA
    2017-07-28 → cancelled 2017-09-06
← Back to KD4OV License history →