Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9STW callsign genealogy
Currently held by Lee, Benjamin S
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 K9STW's current licensee, walking backwards.
- Lee, Benjamin SILgranted 2015-08-21cancelled 2015-11-13
Successor callsigns
Callsigns held now by people who previously held K9STW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9STW, oldest first.
- JOHNSON, GERALD L IL1993-04-06 → cancelled 2005-04-07
- Lee, Benjamin S IL2025-11-29 active