Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4TH callsign genealogy
Currently held by Graves, Theodore J
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 KY4TH's current licensee, walking backwards.
- Graves, Theodore JFLgranted 2021-11-24cancelled 2022-11-17
Successor callsigns
Callsigns held now by people who previously held KY4TH.
No current licensee on record previously held this callsign.