Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6KRZ callsign genealogy
Currently held by ROSE, ROBERT J
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 K6KRZ's current licensee, walking backwards.
- Stein, Gerald BCAgranted 2014-05-14cancelled 2015-04-18
Successor callsigns
Callsigns held now by people who previously held K6KRZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6KRZ, oldest first.
- ROSE, ROBERT J CA1998-01-30 → cancelled 2010-02-02
- Stein, Gerald B CA2015-04-18 active