Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4UF callsign genealogy
Currently held by VISINTIN, JAMES M
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 KY4UF's current licensee, walking backwards.
- VISINTIN, JAMES Mcancelled 1998-05-06
Successor callsigns
Callsigns held now by people who previously held KY4UF.
- VISINTIN, JAMES MFLgranted 2025-09-11