Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9ETW callsign genealogy
Currently held by WILLIAMS, ERON T
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 KC9ETW's current licensee, walking backwards.
- WILLIAMS, ERON TILgranted 2025-01-03cancelled 2025-01-22
Successor callsigns
Callsigns held now by people who previously held KC9ETW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9ETW, oldest first.
- Schumacher, Heather M IL2003-09-26 → cancelled 2015-09-29
- WILLIAMS, ERON T IL2025-01-22 active