Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4SJW callsign genealogy
Currently held by Walters, Samuel 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 KY4SJW's current licensee, walking backwards.
- Walters, Samuel JKYgranted 2022-05-25cancelled 2022-10-29
Successor callsigns
Callsigns held now by people who previously held KY4SJW.
No current licensee on record previously held this callsign.