Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KO6BJ callsign genealogy
Currently held by MATTHYS, MELVYN F
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 KO6BJ's current licensee, walking backwards.
- KC6GEIno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KO6BJ.
No current licensee on record previously held this callsign.