Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9AES callsign genealogy
Currently held by Berr, Bruce
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 KC9AES's current licensee, walking backwards.
- KC9PRXcancelledKane County IL ARESILgranted 2009-05-01cancelled 2009-05-30
Successor callsigns
Callsigns held now by people who previously held KC9AES.
- Berr, BruceILgranted 2011-09-17cancelled 2023-10-20
All historical holders
Every license row we've seen with the callsign KC9AES, oldest first.
- Berr, Bruce IL2001-08-23 → cancelled 2001-10-19
- Kane County IL ARES IL2020-01-06 active