Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG9IU callsign genealogy
Currently held by Yanagihara, Hiroshi
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 KG9IU's current licensee, walking backwards.
- KB9MINno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KG9IU.
- Yanagihara, HiroshiWIgranted 2005-11-23cancelled 2018-01-13