Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9X callsign genealogy
Currently held by STOEBER, JAMES R
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 WI9X's current licensee, walking backwards.
- Kingstad, Aaron KWIgranted 2026-03-03cancelled 2026-04-18
Successor callsigns
Callsigns held now by people who previously held WI9X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WI9X, oldest first.
- STOEBER, JAMES R IL2013-08-20 → cancelled 2026-03-06
- KINGSTAD, AARON K WI2026-04-18 active