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

W6TUI callsign genealogy

Currently held by Kramer, Karl 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 W6TUI's current licensee, walking backwards.

  1. KA6OLIcancelled· E
    Kramer, Karl FCAgranted 2006-12-16cancelled 2008-04-05
  2. KI6GTCcancelled· T
    Kramer, Karl FCAgranted 2006-11-22cancelled 2006-12-16

Successor callsigns

Callsigns held now by people who previously held W6TUI.

  1. W6GMcancelled· E
    WOODY, WILLIAM WCAgranted 2016-08-10cancelled 2024-09-25