Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6QQQ callsign genealogy
Currently held by KOSINSKI, ROBERT
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 K6QQQ's current licensee, walking backwards.
- Frauenheim, Carsten MCAgranted 2023-05-25cancelled 2023-06-22
Successor callsigns
Callsigns held now by people who previously held K6QQQ.
- Bryant, KyleAZgranted 2018-11-06cancelled 2019-02-05
All historical holders
Every license row we've seen with the callsign K6QQQ, oldest first.
- KOSINSKI, ROBERT CA1996-03-19 → cancelled 2008-03-20
- Bryant, Kyle AZ2014-03-11 → cancelled 2018-11-06
- Frauenheim, Carsten M CA2023-06-22 active