Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4RGX callsign genealogy
Currently held by Second Class Operators Club
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 KI4RGX'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 KI4RGX.
- W1SOCactiveSecond Class Operators ClubFLgranted 2016-09-16