Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT1Y callsign genealogy
Currently held by BARON, ALFRED E
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 KT1Y's current licensee, walking backwards.
- Nishigaki, HironariCAgranted 2009-02-23cancelled 2009-07-21
Successor callsigns
Callsigns held now by people who previously held KT1Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT1Y, oldest first.
- BARON, ALFRED E CT1997-02-07 → cancelled 2009-02-10
- Nishigaki, Hironari CA2019-06-05 active