Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF9X callsign genealogy
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 WF9X's current licensee, walking backwards.
- Fors, Thomas LILgranted 1996-07-30cancelled 2006-04-22
Successor callsigns
Callsigns held now by people who previously held WF9X.
- BOSTON, KENNETH LWIgranted 2019-01-01
All historical holders
Every license row we've seen with the callsign WF9X, oldest first.
- Fors, Thomas L IL2016-04-15 active
- —— → cancelled 1998-12-30