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

KZ6MMM callsign genealogy

Currently held by COLETTA, MICHAEL 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 KZ6MMM's current licensee, walking backwards.

  1. KM0MMMcancelled· G
    COLETTA, MICHAEL ACAgranted 2017-02-04cancelled 2021-05-21
  2. KG0UFOcancelled· G
    COLETTA, MICHAEL ACOgranted 2012-05-25cancelled 2017-02-04
  3. KG7UFOactive· T
    VONDRAK, DAVID JNVgranted 2026-04-15
  4. KG7QXQcancelled· T
    Vondrak, David JNVgranted 2015-02-12cancelled 2016-06-18

Successor callsigns

Callsigns held now by people who previously held KZ6MMM.

  1. KO5AOKactive· G
    COLETTA, MICHAEL AOKgranted 2022-01-11
← Back to KZ6MMM License history →