Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN6CJP callsign genealogy
Currently held by Zafra, John Paul S
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 KN6CJP's current licensee, walking backwards.
- Zafra, John Paul SCAgranted 2022-10-22cancelled 2022-12-02
Successor callsigns
Callsigns held now by people who previously held KN6CJP.
- Vasquez, JasonCAgranted 2019-06-25
All historical holders
Every license row we've seen with the callsign KN6CJP, oldest first.
- Vasquez, Jason CA2019-06-03 → cancelled 2019-06-25
- Zafra, John Paul S CA2022-12-02 active