Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF6MUL callsign genealogy
Currently held by MARUYA, MIKIO
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 KF6MUL'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 KF6MUL.
- WA6DXactiveJAPANESE AMATEUR RADIO DX CLUBCAgranted 2017-05-25