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

K7GZZ callsign genealogy

Currently held by Mayowski, Joseph 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 K7GZZ's current licensee, walking backwards.

  1. K6FUKcancelled· T
    BRADY Mr, SEAN PWAgranted 2019-07-26cancelled 2022-03-25
  2. N6QVXactive· T
    BRADY Mr, SEAN PWAgranted 2025-06-03

Successor callsigns

Callsigns held now by people who previously held K7GZZ.

  1. N6QVXactive· T
    BRADY Mr, SEAN PWAgranted 2025-06-03
  2. KK7Zactive· E
    Mayowski, Joseph ANVgranted 2024-01-18

All historical holders

Every license row we've seen with the callsign K7GZZ, oldest first.

  • Mayowski, Joseph A NV
    2012-12-11 → cancelled 2014-01-17
  • BRADY Mr, SEAN P WA
    2022-03-25 → cancelled 2025-06-03
← Back to K7GZZ License history →