Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY8X callsign genealogy
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 KY8X's current licensee, walking backwards.
- Hatta, KazutoshiORgranted 2021-07-22cancelled 2021-12-21
Successor callsigns
Callsigns held now by people who previously held KY8X.
- Kennedy, Joseph PMIgranted 2019-02-19
All historical holders
Every license row we've seen with the callsign KY8X, oldest first.
- Kennedy, Jeffrey A MI2009-11-24 → cancelled 2021-11-25
- Hatta, Kazutoshi OR2021-12-21 active
- —— → cancelled 1999-03-25