Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA1ST callsign genealogy
Currently held by Williams, James 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 AA1ST's current licensee, walking backwards.
- Williams, James WCTgranted 2020-01-14cancelled 2020-02-01
Successor callsigns
Callsigns held now by people who previously held AA1ST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA1ST, oldest first.
- Williams, James W CT2005-11-29 → cancelled 2017-11-30
- Williams, James W CT2020-02-01 active