Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9SJS callsign genealogy
Currently held by GREENE, THOMAS E
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 W9SJS's current licensee, walking backwards.
- Steimel, Stephen JINgranted 2018-04-24cancelled 2019-04-02
Successor callsigns
Callsigns held now by people who previously held W9SJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9SJS, oldest first.
- GREENE, THOMAS E IL1992-09-22 → cancelled 2004-09-23
- Steimel, Stephen J IN2019-04-02 active