Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC8JDF callsign genealogy
Currently held by YAMAMOTO, SHOZO
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 KC8JDF'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 KC8JDF.
- W8YAQactiveJAPAN AMERICAN FRIENDSHIP CONTEST ORGANIZATNMIgranted 2017-12-29