Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU0RCJ callsign genealogy
Currently held by Killen, Steven 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 KU0RCJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KU0RCJ.
No current licensee on record previously held this callsign.