Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6BR callsign genealogy
Currently held by CHAMBERLAIN, SUSAN L
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 KO6BR's current licensee, walking backwards.
- BARRERAS, RAFAEL JFLgranted 2009-03-12cancelled 2017-02-25
Successor callsigns
Callsigns held now by people who previously held KO6BR.
- Chamberlain, Susan LWAgranted 2004-02-25cancelled 2008-02-07
All historical holders
Every license row we've seen with the callsign KO6BR, oldest first.
- CHAMBERLAIN, SUSAN L CA1995-06-29 → cancelled 2000-04-26
- BARRERAS, RAFAEL J FL2017-02-25 active