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

W9GZZ callsign genealogy

Currently held by GLAZE, JOHN L

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 W9GZZ's current licensee, walking backwards.

  1. WB9GZZcancelled· E
    WESTLUND, STEVEN GILgranted 2016-10-18cancelled 2017-05-23

Successor callsigns

Callsigns held now by people who previously held W9GZZ.

  1. W9ZSactive· E
    WESTLUND, STEVEN GILgranted 2018-06-22

All historical holders

Every license row we've seen with the callsign W9GZZ, oldest first.

  • GLAZE, JOHN L MI
    1988-09-27 → cancelled 2000-09-28
  • WESTLUND, STEVEN G IL
    2017-05-23 → cancelled 2018-06-22