Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6KBF callsign genealogy
Currently held by KNOTTS BERRY FARM AMATEUR RADIO CLUB
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 N6KBF's current licensee, walking backwards.
- Custodio, Rommel GCAgranted 2015-02-13cancelled 2015-12-29
Successor callsigns
Callsigns held now by people who previously held N6KBF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6KBF, oldest first.
- KNOTTS BERRY FARM AMATEUR RADIO CLUB CA1999-07-15 → cancelled 2010-10-06
- Custodio, Rommel G CA2015-12-29 active