Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9A callsign genealogy
Currently held by Steiner, Thomas C
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 WI9A's current licensee, walking backwards.
- Steiner, Thomas CINgranted 2019-05-01cancelled 2021-02-13
Successor callsigns
Callsigns held now by people who previously held WI9A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WI9A, oldest first.
- MOOSE, CHARLES F IL2008-10-23 → cancelled 2021-01-22
- Steiner, Thomas C IN2021-02-13 active