Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0BKE callsign genealogy
Currently held by SCHWAB, CHARLES R
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 K0BKE's current licensee, walking backwards.
- Lester, Jacob ACOgranted 2017-07-18cancelled 2018-07-17
Successor callsigns
Callsigns held now by people who previously held K0BKE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0BKE, oldest first.
- SCHWAB, CHARLES R MO1997-05-14 → cancelled 2009-05-15
- Lester, Jacob A CO2018-07-17 active