Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0CH callsign genealogy
Currently held by MALAFA, MELVIN 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 KB0CH's current licensee, walking backwards.
- Mayer, Wayne GMNgranted 2006-12-19cancelled 2009-05-19
Successor callsigns
Callsigns held now by people who previously held KB0CH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0CH, oldest first.
- MALAFA, MELVIN F ND1997-04-16 → cancelled 2009-04-17
- Mayer, Wayne G MN2019-02-26 active