Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9FYJ callsign genealogy
Currently held by Midwest WWYC
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 KC9FYJ'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 KC9FYJ.
- KZ9OactiveWisconsin Contest ClubWIgranted 2025-09-16