Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KV4YZ callsign genealogy
Currently held by Ichikawa, Yoshiharu
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 KV4YZ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KV4YZ.
- Ichikawa, YoshiharuGAgranted 2016-04-01cancelled 2017-08-01