Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4WKU callsign genealogy
Currently held by Shrewsbury, Ralph D
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 KY4WKU's current licensee, walking backwards.
- Shrewsbury, Ralph DKYgranted 2009-07-02cancelled 2009-07-28
Successor callsigns
Callsigns held now by people who previously held KY4WKU.
No current licensee on record previously held this callsign.