Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0MB callsign genealogy
Currently held by WOSIKA, GEORGE J
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 KC0MB's current licensee, walking backwards.
- BORDERS, MATTHEW BMOgranted 2020-08-04cancelled 2021-07-07
Successor callsigns
Callsigns held now by people who previously held KC0MB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0MB, oldest first.
- WOSIKA, GEORGE J MN1996-09-25 → cancelled 2008-09-26
- BORDERS, MATTHEW B MO2021-07-07 active