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

WU8S callsign genealogy

Currently held by Kim, Keehwan 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 WU8S's current licensee, walking backwards.

  1. KK6ODPcancelled· E
    Kim, KeehwanNYgranted 2014-07-23cancelled 2019-12-31

Successor callsigns

Callsigns held now by people who previously held WU8S.

  1. WY8Jcancelled· E
    STOLTZ JR, GARTH HOHgranted 2004-03-16cancelled 2004-06-29

All historical holders

Every license row we've seen with the callsign WU8S, oldest first.

  • NELSON, DEAN L MI
    1989-08-15 → cancelled 2001-08-16
  • STOLTZ JR, GARTH H OH
    2004-02-24 → cancelled 2004-03-16
  • CAUDILL, RICHARD M OH
    2007-10-10 → cancelled 2019-10-11
  • Kim, Keehwan M NY
    2019-12-31 active