Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC6CB callsign genealogy
Currently held by Bracken, Christopher
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 AC6CB's current licensee, walking backwards.
- Bracken, ChristopherCAgranted 2020-03-06cancelled 2020-04-03
Successor callsigns
Callsigns held now by people who previously held AC6CB.
- Bracken, ChristopherCAgranted 2021-09-21
All historical holders
Every license row we've seen with the callsign AC6CB, oldest first.
- Uchikoba, Shigeru CA2004-05-03 → cancelled 2016-05-11
- Bracken, Christopher CA2020-04-03 → cancelled 2021-09-21