Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4HCS callsign genealogy
Currently held by Harlan County High School ARC
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 KY4HCS's current licensee, walking backwards.
- KO4TLJcancelledHarlan County High School ARCKYgranted 2021-09-21cancelled 2021-10-22
Successor callsigns
Callsigns held now by people who previously held KY4HCS.
No current licensee on record previously held this callsign.