Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN1Z callsign genealogy
Currently held by Nagase, Keisuke
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 KN1Z's current licensee, walking backwards.
- Nagase, KeisukeMNgranted 2006-09-26cancelled 2006-10-17
Successor callsigns
Callsigns held now by people who previously held KN1Z.
- KELEMEN, ROBERT JVTgranted 2006-05-13cancelled 2007-03-22