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

WD0X callsign genealogy

Currently held by EDWARDS, MARK 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 WD0X's current licensee, walking backwards.

  1. WD0HBXcancelled· E
    Regan, Joseph PMOgranted 2003-02-18cancelled 2008-08-09

Successor callsigns

Callsigns held now by people who previously held WD0X.

  1. W0NGcancelled· E
    Pancake, BillCOgranted 2006-07-21cancelled 2011-04-15
  2. K0IHcancelled· E
    EDWARDS, MARK WCOgranted 1999-10-19cancelled 1999-11-27

All historical holders

Every license row we've seen with the callsign WD0X, oldest first.

  • EDWARDS, MARK W CO
    1997-09-08 → cancelled 1999-10-19
  • Pancake, Bill CO
    2004-09-25 → cancelled 2006-07-21
  • Regan, Joseph P MO
    2018-05-21 active
← Back to WD0X License history →