Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9HDX callsign genealogy
Currently held by Northeast Illinois ARES
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 KC9HDX'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 KC9HDX.
- KA9RESactiveNORTHEAST ILLINOIS ARESILgranted 2017-02-22