Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4WK callsign genealogy
Currently held by Duke, Joseph S
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 KY4WK's current licensee, walking backwards.
- Duke, Joseph STNgranted 2023-01-12cancelled 2023-03-16
Successor callsigns
Callsigns held now by people who previously held KY4WK.
- Duke, Joseph STNgranted 2023-04-25