Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9CBS callsign genealogy
Currently held by DRIESSEN, PAUL J
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 KA9CBS's current licensee, walking backwards.
- SHURTZ, CHARLES BILgranted 2013-10-29cancelled 2020-10-27
Successor callsigns
Callsigns held now by people who previously held KA9CBS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA9CBS, oldest first.
- DRIESSEN, PAUL J WI1996-07-30 → cancelled 2008-07-31
- SHURTZ, CHARLES B IL2020-10-27 active