Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0BS 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 KB0BS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB0BS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0BS, oldest first.
- ARNOLD, NORBERT P MN2000-09-08 → cancelled 2011-04-05
- Sterner, Robert E MI2022-03-02 active