Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TSG callsign genealogy
Currently held by WINKLER, GEORGE W
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 K4TSG's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4TSG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TSG, oldest first.
- WINKLER, GEORGE W TN1994-08-23 → cancelled 2006-08-24
- Tennessee Signal Group TN2008-07-01 → cancelled 2020-07-02
- Meager Jr, Robert C TN2022-04-26 active