Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4KS callsign genealogy
Currently held by PRATER SR, MICHAEL L
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 KR4KS's current licensee, walking backwards.
- Shepherd, KennethKYgranted 2025-02-19cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KR4KS.
- PRATER SR, MICHAEL LGAgranted 2009-07-22cancelled 2021-07-16
All historical holders
Every license row we've seen with the callsign KR4KS, oldest first.
- Shepherd, Kenneth KY2025-12-09 active
- PRATER SR, MICHAEL L— → cancelled 1999-07-15