Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4WN callsign genealogy
Currently held by WILLIAMS, WILBER O
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 KC4WN's current licensee, walking backwards.
- WILLIAMS, STEVE RKYgranted 2007-11-30cancelled 2011-03-26
Successor callsigns
Callsigns held now by people who previously held KC4WN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4WN, oldest first.
- WILLIAMS, WILBER O KY1988-05-10 → cancelled 2000-05-11
- WILLIAMS, STEVE R KY2021-03-01 active