Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9YS callsign genealogy
Currently held by Singharath, Bounsouk
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 AB9YS's current licensee, walking backwards.
- Singharath, BounsoukWIgranted 2010-11-30cancelled 2011-03-02
Successor callsigns
Callsigns held now by people who previously held AB9YS.
No current licensee on record previously held this callsign.