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

W9WS callsign genealogy

Currently held by LINDNER, DIRK 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 W9WS's current licensee, walking backwards.

  1. K9RSWcancelled· E
    Radke, Richard AWIgranted 1999-05-05cancelled 2005-02-25
  2. WB9UFDcancelled· G
    RADKE, RICHARD Acancelled 1999-05-05

Successor callsigns

Callsigns held now by people who previously held W9WS.

  1. WA0WSPcancelled· E
    LINDNER, DIRK AMNgranted 2012-12-21cancelled 2018-07-17

All historical holders

Every license row we've seen with the callsign W9WS, oldest first.

  • LINDNER, DIRK A WI
    1996-12-04 → cancelled 2002-12-24
  • Radke, Richard A WI
    2025-03-29 active
← Back to W9WS License history →