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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KS8U callsign genealogy

Currently held by Vasicek, David T

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 KS8U's current licensee, walking backwards.

  1. NA8Tactive· E
    Rubin, Daniel IMAgranted 2025-12-09
  2. KC1YDRcancelled· E
    Rubin, Daniel IMAgranted 2025-08-07cancelled 2025-12-09

Successor callsigns

Callsigns held now by people who previously held KS8U.

  1. W3GSactive· E
    Schadow, GuntherINgranted 2021-07-09
  2. K8RRactive· E
    EHRHART, ROD AOHgranted 2018-11-24

All historical holders

Every license row we've seen with the callsign KS8U, oldest first.

  • Vasicek, David T MI
    2006-03-17 → cancelled 2018-04-20
  • EHRHART, ROD A OH
    2018-05-08 → cancelled 2018-11-24
  • Schadow, Gunther IN
    2021-02-17 → cancelled 2021-07-09
  • SHELBY JR, THOMAS M MI
    2023-09-12 active
← Back to KS8U License history →