Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0BAS callsign genealogy
Currently held by STOCKMAN, BRIAN A
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 K0BAS's current licensee, walking backwards.
- SCHULER, BRADLEY ACOgranted 2019-10-28cancelled 2019-11-15
Successor callsigns
Callsigns held now by people who previously held K0BAS.
- STOCKMAN, BRIAN AMNgranted 2017-03-07cancelled 2020-03-13
All historical holders
Every license row we've seen with the callsign K0BAS, oldest first.
- STOCKMAN, BRIAN A MN2011-07-16 → cancelled 2017-03-07
- SCHULER, BRADLEY A CO2019-11-15 active