Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4WKU callsign genealogy
Currently held by Cooper, Charles H
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 N4WKU's current licensee, walking backwards.
- KD4AAZcancelledcancelled 1998-04-28
Successor callsigns
Callsigns held now by people who previously held N4WKU.
No current licensee on record previously held this callsign.