Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4OWN callsign genealogy
Currently held by Carlock, Jeffrey M
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 KY4OWN's current licensee, walking backwards.
- Carlock, Jeffrey MKYgranted 2025-06-14cancelled 2025-07-05
Successor callsigns
Callsigns held now by people who previously held KY4OWN.
No current licensee on record previously held this callsign.