Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9ILB callsign genealogy
Currently held by Schaumburg Amateur Radio Club Repeater Association
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 KC9ILB'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 KC9ILB.
- K9IIKactiveSchaumburg Amateur Radio Club Repeater AssociationILgranted 2026-03-06