Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5KYU callsign genealogy
Currently held by YU, KA FAI
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 W5KYU's current licensee, walking backwards.
- YU, KA FAITXgranted 2023-05-31cancelled 2023-06-22
Successor callsigns
Callsigns held now by people who previously held W5KYU.
No current licensee on record previously held this callsign.