Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN0BOB callsign genealogy
Currently held by Sterner, Robert E
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 KN0BOB's current licensee, walking backwards.
- BUSCHER, ROBERT ACOgranted 2015-09-22cancelled 2015-10-14
Successor callsigns
Callsigns held now by people who previously held KN0BOB.
- Sterner, Robert EMIgranted 2022-03-02
All historical holders
Every license row we've seen with the callsign KN0BOB, oldest first.
- Sterner, Robert E CO2008-07-12 → cancelled 2012-05-18
- BUSCHER, ROBERT A MO2015-10-14 active