Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG4AST callsign genealogy
Currently held by TASTIEL, THIERRY
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 KG4AST's current licensee, walking backwards.
- JONES, WILLIAM GALgranted 2019-04-05cancelled 2019-07-06
Successor callsigns
Callsigns held now by people who previously held KG4AST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG4AST, oldest first.
- TASTIEL, THIERRY FL1998-11-12 → cancelled 2010-11-13
- JONES, WILLIAM G AL2019-07-06 active