Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5CB callsign genealogy
Currently held by Berner, 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 W5CB's current licensee, walking backwards.
- Berner, ChristopherCAgranted 2020-07-10cancelled 2021-05-25
Successor callsigns
Callsigns held now by people who previously held W5CB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5CB, oldest first.
- MARTINEZ, RAUL M AZ2009-05-06 → cancelled 2021-05-06
- Berner, Christopher CA2021-05-25 active