Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI7SSW callsign genealogy
Currently held by MATSUMOTO, KOUKO
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 KI7SSW'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 KI7SSW.
- MATSUMOTO, KOUKOUTgranted 2018-04-03