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

N9NX callsign genealogy

Currently held by WARNER, DOUGLAS C

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 N9NX's current licensee, walking backwards.

  1. W9TPRcancelled· E
    Schneider, David LILgranted 2020-12-29cancelled 2022-05-21
  2. KD9QYBcancelled· T
    Schneider, David LILgranted 2020-11-16cancelled 2020-12-29

Successor callsigns

Callsigns held now by people who previously held N9NX.

  1. W9DCWcancelled· E
    WARNER, Douglas CWIgranted 2020-05-02cancelled 2020-07-24
  2. K9DCWcancelled· E
    WARNER, DOUGLAS CWIgranted 2009-02-03cancelled 2010-03-19
  3. W9USBcancelled· E
    WARNER, DOUGLAS CWIgranted 2004-03-16cancelled 2006-01-10

All historical holders

Every license row we've seen with the callsign N9NX, oldest first.

  • WARNER, DOUGLAS C WI
    2000-02-01 → cancelled 2004-03-16
  • WARNER, DOUGLAS C WI
    2006-01-10 → cancelled 2009-02-03
  • Warner, Doug C WI
    2020-03-25 → cancelled 2020-05-02
  • Schneider, David L IL
    2022-05-21 active
← Back to N9NX License history →