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

W3GS callsign genealogy

Currently held by Schadow, Gunther

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 W3GS's current licensee, walking backwards.

  1. KS8Uactive· E
    SHELBY JR, THOMAS MMIgranted 2023-09-12
  2. NA8Tactive· E
    Rubin, Daniel IMAgranted 2025-12-09
  3. KC1YDRcancelled· E
    Rubin, Daniel IMAgranted 2025-08-07cancelled 2025-12-09

Successor callsigns

Callsigns held now by people who previously held W3GS.

  1. W3TDFactive
    ALLENTOWN BETHLEHEM EASTON CHAPTER 17 QCWAPAgranted 2019-06-18

All historical holders

Every license row we've seen with the callsign W3GS, oldest first.

  • ALLENTOWN BETHLEHEM EASTON CHAPTER 17 QCWA PA
    2016-08-29 → cancelled 2019-06-18
  • Schadow, Gunther IN
    2021-07-09 active
← Back to W3GS License history →