Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6HMM callsign genealogy
Currently held by BROESE VAN GROENOU, MATTHEW E
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 KO6HMM'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 KO6HMM.
- BROESE VAN GROENOU, MATTHEW ECAgranted 2025-02-04