Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4JSJ callsign genealogy
Currently held by Ford Jr, John D
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 KI4JSJ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KI4JSJ.
- Ford Jr, John DTNgranted 2026-01-10