Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4ZMU callsign genealogy
Currently held by KAMEDA, TOSHIHIRO
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 KF4ZMU'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 KF4ZMU.
- KAMEDA, TOSHIHIRONCgranted 1998-08-12cancelled 2000-12-27