Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4FI callsign genealogy
Currently held by Tarter, James 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 KY4FI's current licensee, walking backwards.
- Tarter, James SGAgranted 2021-01-14cancelled 2021-03-01
Successor callsigns
Callsigns held now by people who previously held KY4FI.
- Tarter, James STXgranted 2021-04-17