Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6RBA callsign genealogy
Currently held by Ost, Goran
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 W6RBA's current licensee, walking backwards.
- Ost, GoranCAgranted 2007-05-15cancelled 2010-07-02
Successor callsigns
Callsigns held now by people who previously held W6RBA.
All historical holders
Every license row we've seen with the callsign W6RBA, oldest first.
- Ost, Goran CA2007-05-15 → cancelled 2009-11-03
- Ost, Goran GA2010-07-02 → cancelled 2011-09-27