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

W7SDX callsign genealogy

Currently held by Ware, Richard M

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 W7SDX's current licensee, walking backwards.

  1. WA7ATTcancelled· G
    Ware, Richard MORgranted 2010-07-20cancelled 2012-12-18
  2. WA7ANZcancelled· G
    Ware, Richard MORgranted 2010-07-02cancelled 2010-07-20
  3. KF7ICZcancelled· G
    Ware, Richard MORgranted 2010-03-04cancelled 2010-07-02

Successor callsigns

Callsigns held now by people who previously held W7SDX.

  1. W7VTTexpired· G
    Ware, Richard MORgranted 2013-01-25cancelled 2025-01-28

All historical holders

Every license row we've seen with the callsign W7SDX, oldest first.

  • BRAWN, WILLIAM W OR
    1987-08-18 → cancelled 1999-08-20
  • Ware, Richard M OR
    2012-12-18 → cancelled 2013-01-25