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

W6CZ callsign genealogy

Currently held by MELCHER, DONALD F

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 W6CZ's current licensee, walking backwards.

  1. W6ZOcancelled· E
    Zuill, FredCAgranted 2024-12-13cancelled 2025-01-24
  2. N6GITcancelled· E
    Zuill, FredCAgranted 2023-04-29cancelled 2024-12-13
  3. KN6ZDScancelled· G
    Zuill, FredCAgranted 2023-03-30cancelled 2023-04-29

Successor callsigns

Callsigns held now by people who previously held W6CZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W6CZ, oldest first.

  • GEROULD, LAWRENCE D CA
    1996-07-24 → cancelled 1999-04-26
  • MELCHER, DONALD F CA
    2024-03-23 active
← Back to W6CZ License history →