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

WW1T callsign genealogy

Currently held by KINGSTORF, KLAUS J

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 WW1T's current licensee, walking backwards.

  1. N1EEEcancelled
    ISLAND HUNTERS AMATEUR RADIO CLUBFLgranted 2024-11-02cancelled 2024-12-10
  2. W1AAQcancelled
    ISLAND HUNTERS AMATEUR RADIO CLUBFLgranted 2024-08-10cancelled 2024-11-02
  3. NE5IAcancelled
    ISLAND HUNTERS AMATEUR RADIO CLUBFLgranted 2024-06-28cancelled 2024-08-10
  4. N1ACactive· E
    Caviezel, Chris LWAgranted 2026-07-17
  5. WX7EMTcancelled· E
    Caviezel, Chris LWAgranted 2025-11-21cancelled 2026-07-17
  6. KG7OFQcancelled· G
    Caviezel, Chris LWAgranted 2014-10-07cancelled 2016-01-05

Successor callsigns

Callsigns held now by people who previously held WW1T.

  1. KZ5CZcancelled
    ISLAND HUNTERS AMATEUR RADIO CLUBFLgranted 2025-01-24cancelled 2025-03-25

All historical holders

Every license row we've seen with the callsign WW1T, oldest first.

  • KINGSTORF, KLAUS J CT
    2012-09-25 → cancelled 2024-11-26
  • ISLAND HUNTERS AMATEUR RADIO CLUB FL
    2024-12-10 → cancelled 2025-01-24