Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4WU callsign genealogy
Currently held by Borges, Armando J
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 KY4WU's current licensee, walking backwards.
- Borges, Armando JFLgranted 2022-02-14cancelled 2023-03-28
Successor callsigns
Callsigns held now by people who previously held KY4WU.
- Borges, Armando JFLgranted 2023-05-02