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

KD0ZA callsign genealogy

Currently held by YOUNG, ROBERT A

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 KD0ZA's current licensee, walking backwards.

  1. WB0SLWcancelled· E
    Worley, Steve LCOgranted 2016-12-17cancelled 2024-09-24
  2. KD0QCFcancelled· G
    Worley, Steve LCOgranted 2011-11-18cancelled 2016-12-17

Successor callsigns

Callsigns held now by people who previously held KD0ZA.

  1. KK7WYexpired· A
    YOUNG, ROBERT AAZgranted 2011-05-31cancelled 2023-07-12

All historical holders

Every license row we've seen with the callsign KD0ZA, oldest first.

  • YOUNG, ROBERT A AZ
    1991-07-02 → cancelled 2001-05-17
  • Worley, Steve L CO
    2024-09-24 active
← Back to KD0ZA License history →