Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4NO callsign genealogy
Currently held by WILLIAMS JR, KENNETH A
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 KC4NO's current licensee, walking backwards.
- CRUSE, MARK DKYgranted 2020-12-15cancelled 2024-11-13
Successor callsigns
Callsigns held now by people who previously held KC4NO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4NO, oldest first.
- WILLIAMS JR, KENNETH A NC2004-07-28 → cancelled 2016-10-25
- CRUSE, MARK D KY2024-11-13 active