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

WD7O callsign genealogy

Currently held by STEELE, JOHN 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 WD7O's current licensee, walking backwards.

  1. KD7JUKcancelled· E
    Archibald, Stephen VAZgranted 2000-07-15cancelled 2002-12-07

Successor callsigns

Callsigns held now by people who previously held WD7O.

  1. N7WKactive· E
    STEELE, JOHN WWAgranted 2019-10-16

All historical holders

Every license row we've seen with the callsign WD7O, oldest first.

  • ARCHIBALD, STEPHEN V AZ
    2022-09-13 active
  • STEELE, JOHN W
    → cancelled 1998-10-05