Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9TA callsign genealogy
Currently held by BASS, JIMMY E
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 KC9TA's current licensee, walking backwards.
- Averbeck, Thomas CWIgranted 2021-10-19cancelled 2024-01-26
Successor callsigns
Callsigns held now by people who previously held KC9TA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9TA, oldest first.
- BASS, JIMMY E IN1997-05-19 → cancelled 2009-05-20
- Averbeck, Thomas C WI2024-01-26 active