Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9ARC callsign genealogy
Currently held by Coulee Amateur Radio 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 KC9ARC's current licensee, walking backwards.
- KD9HKHcancelledCoulee Amateur Radio ClubWIgranted 2016-11-21cancelled 2016-12-10
Successor callsigns
Callsigns held now by people who previously held KC9ARC.
- HOELTJE, SHAUN RSCgranted 2012-02-07cancelled 2024-03-09
All historical holders
Every license row we've seen with the callsign KC9ARC, oldest first.
- Hoeltje, Shaun R IL2001-12-04 → cancelled 2002-03-08
- Coulee Amateur Radio Club WI2016-12-10 active