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

K0MAZ callsign genealogy

Currently held by WARREN, MICHAEL E

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 K0MAZ's current licensee, walking backwards.

  1. W5MAZactive· E
    WARREN, MICHAEL ENMgranted 2017-09-12
  2. W0WGactive· E
    Hellwig, Stephen DCOgranted 2019-10-01
  3. KG0Zactive· E
    Chatterton, Jacob DMNgranted 2021-10-23
  4. KF0BQDcancelled· E
    Chatterton, Jacob DMNgranted 2020-09-15cancelled 2021-10-23

Successor callsigns

Callsigns held now by people who previously held K0MAZ.

  1. W0WGcancelled· E
    WARREN, MICHAEL ENMgranted 2014-12-03cancelled 2017-09-12
← Back to K0MAZ License history →