Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4KJ callsign genealogy
Currently held by WILEMAN, JAY T
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 KO4KJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KO4KJ.
No current licensee on record previously held this callsign.