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

W1ADX callsign genealogy

Currently held by SEITZ, REED A

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 W1ADX's current licensee, walking backwards.

  1. W1WONcancelled· T
    SEITZ, REED ACTgranted 2009-02-03cancelled 2014-12-30
  2. K1DDXactive· G
    KIDD 209, CHRISTOPHER CCAgranted 2016-11-15
  3. KM6DJCcancelled· T
    Kidd, Christopher CCAgranted 2016-06-09cancelled 2016-11-15

Successor callsigns

Callsigns held now by people who previously held W1ADX.

  1. AK4DAcancelled· E
    Claudio, DaddarioSCgranted 2007-06-05cancelled 2010-12-21

All historical holders

Every license row we've seen with the callsign W1ADX, oldest first.

  • Claudio, Daddario SC
    2007-06-05 → cancelled 2010-10-25
  • SEITZ, REED A CT
    2024-11-26 active
← Back to W1ADX License history →