Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9IIK 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 K9IIK's current licensee, walking backwards.
- KC9ILBcancelledSchaumburg Amateur Radio Club Repeater AssociationILgranted 2005-11-16cancelled 2006-01-19
Successor callsigns
Callsigns held now by people who previously held K9IIK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9IIK, oldest first.
- GEERAERTS, WILLIAM F IL1996-02-05 → cancelled 2005-06-01
- Schaumburg Amateur Radio Club Repeater Association IL2026-03-06 active