Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9TC callsign genealogy
Currently held by Brodsky, Ira S
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 KC9TC's current licensee, walking backwards.
- Brodsky, Ira SMOgranted 2007-11-08cancelled 2009-10-31
Successor callsigns
Callsigns held now by people who previously held KC9TC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9TC, oldest first.
- BRODSKY, IRA S IL1988-01-19 → cancelled 2000-01-20
- Brodsky, Ira S MO2019-08-06 active