Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4OU callsign genealogy
Currently held by FERRER, CHRISTOPHER G
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 KY4OU's current licensee, walking backwards.
- FERRER, CHRISTOPHER GNCgranted 2013-01-31cancelled 2022-04-22
Successor callsigns
Callsigns held now by people who previously held KY4OU.
No current licensee on record previously held this callsign.