Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS6AJJ callsign genealogy
Currently held by Shimizu, Kelvin 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 KS6AJJ's current licensee, walking backwards.
- Shimizu, Kelvin SCAgranted 2022-11-01cancelled 2023-03-13
Successor callsigns
Callsigns held now by people who previously held KS6AJJ.
No current licensee on record previously held this callsign.