Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4WKH callsign genealogy
Currently held by Harmon, William K
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 KY4WKH's current licensee, walking backwards.
- Harmon, William KCAgranted 2019-09-04
Successor callsigns
Callsigns held now by people who previously held KY4WKH.
- Harmon, William KCAgranted 2019-09-04