Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4MBU callsign genealogy
Currently held by JONES JR, EUGENE
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 KK4MBU'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 KK4MBU.
- JONES JR, EUGENESCgranted 2023-01-14