Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB6RB callsign genealogy
Currently held by PENALBA, NESTOR C
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 AB6RB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB6RB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB6RB, oldest first.
- PENALBA, NESTOR C CA1993-02-23 → cancelled 2005-02-24
- Buenrostro Jr, Raul CA2023-12-16 active