Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC7QZN callsign genealogy
Currently held by YAMAGATA, MASARU
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 KC7QZN'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 KC7QZN.
- YAMAGATA, MASARUCAgranted 1997-06-11cancelled 2000-06-24