Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4ES callsign genealogy
Currently held by Boling, John C
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 KY4ES's current licensee, walking backwards.
- Boling, John CNCgranted 2021-01-20cancelled 2021-02-22
Successor callsigns
Callsigns held now by people who previously held KY4ES.
- Boling, John CNCgranted 2021-03-16