Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NY9J callsign genealogy
Currently held by Kobayashi, Kikuo
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 NY9J's current licensee, walking backwards.
- Kobayashi, KikuoCAgranted 2010-06-21cancelled 2010-07-24
Successor callsigns
Callsigns held now by people who previously held NY9J.
- WARNER, DOUGLAS CWIgranted 1997-06-06cancelled 2000-02-01