Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9OEM callsign genealogy
Currently held by KANE COUNTY AMATEUR RADIO SERVICES 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 KC9OEM's current licensee, walking backwards.
- KB9RYAcancelledKANE COUNTY AMATEUR RADIO SERVICES CLUBILgranted 1998-01-13cancelled 2004-03-16
Successor callsigns
Callsigns held now by people who previously held KC9OEM.
No current licensee on record previously held this callsign.