Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3KZR callsign genealogy
Currently held by Leist, Brian
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 K3KZR's current licensee, walking backwards.
- Leist, BrianCAgranted 2021-12-20cancelled 2022-01-07
Successor callsigns
Callsigns held now by people who previously held K3KZR.
No current licensee on record previously held this callsign.