Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1AI callsign genealogy
Currently held by SATO, YOSHIHIRO
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 K1AI's current licensee, walking backwards.
- SATO, YOSHIHIROILgranted 2010-08-03cancelled 2010-12-14
Successor callsigns
Callsigns held now by people who previously held K1AI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1AI, oldest first.
- SNELL JR, CLIFFORD J MA1998-11-24 → cancelled 2010-11-25
- SATO, YOSHIHIRO CA2020-10-02 active