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

K6IZY callsign genealogy

Currently held by WREN, JAMES W

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 K6IZY's current licensee, walking backwards.

  1. KN6IZYcancelled· T
    Plake, MarkCAgranted 2020-05-29cancelled 2020-06-23

Successor callsigns

Callsigns held now by people who previously held K6IZY.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6IZY, oldest first.

  • WREN, JAMES W CA
    1995-01-12 → cancelled 2007-01-13
  • Plake, Mark CA
    2020-06-23 active