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

K1ZX callsign genealogy

Currently held by GUSTAVESON, DOUGLAS K

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 K1ZX's current licensee, walking backwards.

  1. W4YXLcancelled· E
    GUSTAVESON, DOUGLAS KVAgranted 2009-03-13cancelled 2009-05-01
  2. KJ4JGZcancelled· G
    GUSTAVESON, DOUGLAS KVAgranted 2009-02-09cancelled 2009-03-13

Successor callsigns

Callsigns held now by people who previously held K1ZX.

  1. W1ARexpired· E
    WILSON, LORRAINE MCAgranted 2007-04-10cancelled 2019-04-11
  2. K4OJcancelled· E
    WHITE, JAMES AFLgranted 1996-11-04cancelled 2004-02-12

All historical holders

Every license row we've seen with the callsign K1ZX, oldest first.

  • WILSON, LORRAINE M CA
    1999-02-23 → cancelled 2007-04-10
  • GUSTAVESON, DOUGLAS K VA
    2019-04-26 active