Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0CBM callsign genealogy
Currently held by MAYES, CLINT B
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 KC0CBM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KC0CBM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0CBM, oldest first.
- CASS HUBBARD AMATEUR RADIO CLUB MN2007-11-19 → cancelled 2019-11-20
- MAYES, CLINT B KS2026-07-25 active