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.
- Kim, KeehwanNYgranted 2014-07-23cancelled 2019-12-31
Successor callsigns
Callsigns held now by people who previously held WU8S.
- 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 MI1989-08-15 → cancelled 2001-08-16
- STOLTZ JR, GARTH H OH2004-02-24 → cancelled 2004-03-16
- CAUDILL, RICHARD M OH2007-10-10 → cancelled 2019-10-11
- Kim, Keehwan M NY2019-12-31 active