Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4XH callsign genealogy
Currently held by Affeldt, John F
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 KI4XH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KI4XH.
No current licensee on record previously held this callsign.