Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0LZ callsign genealogy
Currently held by CARROLL, JAMES 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 KB0LZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB0LZ.
- CARROLL, JAMES EWIgranted 2015-04-24cancelled 2021-03-09
All historical holders
Every license row we've seen with the callsign KB0LZ, oldest first.
- CARROLL, JAMES E WI2015-03-23 → cancelled 2015-04-24
- CARROLL, JAMES E MN2021-03-09 active