Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KI4JIM callsign genealogy
Currently held by COURTNEY, FRITZ 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 KI4JIM's current licensee, walking backwards.
- Courtney, Fritz JSCgranted 2004-02-26cancelled 2004-07-27
Successor callsigns
Callsigns held now by people who previously held KI4JIM.
No current licensee on record previously held this callsign.