Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB0BZZ callsign genealogy
Currently held by SCHEER, TIMOTHY L
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 KB0BZZ's current licensee, walking backwards.
- Zimprich, Robert PCOgranted 2007-07-18cancelled 2008-02-02
Successor callsigns
Callsigns held now by people who previously held KB0BZZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0BZZ, oldest first.
- SCHEER, TIMOTHY L CO1988-10-25 → cancelled 2000-10-26
- ZIMPRICH, ROBERT P CO2017-12-05 active