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

W6WZ callsign genealogy

Currently held by NASS, WALTER R

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 W6WZ's current licensee, walking backwards.

  1. W6FRcancelled· E
    Hart, Montgomery LCAgranted 2019-07-02cancelled 2024-10-22
  2. K6CRactive· E
    Rotermund, CodyCAgranted 2023-09-12
  3. NW6Tactive· E
    KEENE, KEVINCAgranted 2025-12-09
  4. KO6HMKcancelled· E
    KEENE, KEVINCAgranted 2025-01-14cancelled 2025-12-09

Successor callsigns

Callsigns held now by people who previously held W6WZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W6WZ, oldest first.

  • NASS, WALTER R CA
    1990-09-11 → cancelled 2002-09-12
  • Gavin, Michael D CA
    2012-07-24 → cancelled 2024-10-02
  • Hart, Montgomery L CA
    2024-10-22 active