Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6RUB callsign genealogy
Currently held by O'BRIEN, RUBY D
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 K6RUB's current licensee, walking backwards.
- O'BRIEN, RUBY DCAgranted 2010-05-27cancelled 2010-06-26
Successor callsigns
Callsigns held now by people who previously held K6RUB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6RUB, oldest first.
- NEWLIN, GLEN E CA1998-02-05 → cancelled 2010-02-06
- O'BRIEN, RUBY D CA2020-06-09 active