Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9OJI callsign genealogy
Currently held by Gross, Stephen J
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 W9OJI's current licensee, walking backwards.
- Gross, Stephen JFLgranted 2022-08-24cancelled 2026-03-13
Successor callsigns
Callsigns held now by people who previously held W9OJI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9OJI, oldest first.
- MOUNT MORRIS RADIO CLUB IL2017-03-16 → cancelled 2024-02-22
- Gross, Stephen J FL2026-03-13 active