Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0BTS callsign genealogy
Currently held by WININGS, JERRY
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 K0BTS's current licensee, walking backwards.
- Schandl, Marc AMNgranted 2021-11-01cancelled 2021-11-20
Successor callsigns
Callsigns held now by people who previously held K0BTS.
- Schandl, Marc AMNgranted 2022-02-23
All historical holders
Every license row we've seen with the callsign K0BTS, oldest first.
- WININGS, JERRY CO1999-03-01 → cancelled 2011-03-02
- Schandl, Marc A MN2021-11-20 → cancelled 2022-02-23