Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6BK callsign genealogy
Currently held by KUPPS, BOB
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 N6BK's current licensee, walking backwards.
- MAGANA, CESAR ACAgranted 2021-06-10cancelled 2022-03-18
Successor callsigns
Callsigns held now by people who previously held N6BK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6BK, oldest first.
- KUPPS, BOB CA2010-02-24 → cancelled 2022-03-01
- MAGANA, CESAR A CA2022-03-18 active