Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK6JA callsign genealogy
Currently held by JANET 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 KK6JA's current licensee, walking backwards.
- KG6SHAcancelledSilicon Valley Japanese Ham ClubCAgranted 2003-08-19cancelled 2003-09-16
Successor callsigns
Callsigns held now by people who previously held KK6JA.
- BREEDING, KEITH CCAgranted 2010-10-14cancelled 2022-10-18
All historical holders
Every license row we've seen with the callsign KK6JA, oldest first.
- BREEDING, KEITH C CA1990-04-03 → cancelled 2000-10-17
- JANET Club CA2023-09-26 active