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

K0ZZZ callsign genealogy

Currently held by CRAFT, STEVEN Z

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 K0ZZZ's current licensee, walking backwards.

  1. KB3DPScancelled· T
    AMBERG, CHAD MCOgranted 2009-01-10cancelled 2009-02-28

Successor callsigns

Callsigns held now by people who previously held K0ZZZ.

  1. K0PTRactive· E
    CRAFT, STEVEN ZOHgranted 2022-04-19

All historical holders

Every license row we've seen with the callsign K0ZZZ, oldest first.

  • CRAFT, STEVEN Z ND
    1999-05-19 → cancelled 2002-05-11
  • AMBERG, CHAD M CO
    2019-02-05 active