Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KYC callsign genealogy
Currently held by STIMSON, 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 K4KYC's current licensee, walking backwards.
- GROTH, CHARLES AKYgranted 2019-06-12cancelled 2020-02-11
Successor callsigns
Callsigns held now by people who previously held K4KYC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KYC, oldest first.
- STIMSON, JAMES S KY1995-05-04 → cancelled 2007-05-05
- GROTH, CHARLES A KY2020-02-11 active