Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4JR callsign genealogy
Currently held by WILLIAMS, JUSTIN 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 KY4JR's current licensee, walking backwards.
- WILLIAMS, JUSTIN LNCgranted 2017-07-17cancelled 2021-08-19
Successor callsigns
Callsigns held now by people who previously held KY4JR.
- WILLIAMS, JUSTIN LNCgranted 2023-09-08