Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4WY callsign genealogy
Currently held by ISHIDA, YOSHINORI
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 KV4WY's current licensee, walking backwards.
- ISHIDA, YOSHINORIFLgranted 2013-03-08cancelled 2014-04-09
Successor callsigns
Callsigns held now by people who previously held KV4WY.
No current licensee on record previously held this callsign.