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

KD0OQO callsign genealogy

Currently held by HARRIS JR, JACK

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 KD0OQO's current licensee, walking backwards.

  1. KY4JAXcancelled· G
    HARRIS JR, JACKNEgranted 2005-07-26cancelled 2011-05-18
  2. KF4FCGcancelled· T
    HARRIS JR, JACKFLgranted 1995-11-30cancelled 2005-07-26

Successor callsigns

Callsigns held now by people who previously held KD0OQO.

  1. W4AXEactive· E
    HARRIS JR, JACKFLgranted 2022-03-23
← Back to KD0OQO License history →