Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6AQJ callsign genealogy
Currently held by Hamada, Isao
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 W6AQJ's current licensee, walking backwards.
- Hamada, IsaoCAgranted 2019-05-14cancelled 2020-01-07
Successor callsigns
Callsigns held now by people who previously held W6AQJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6AQJ, oldest first.
- PIATT, RICHARD N CA2006-06-21 → cancelled 2018-06-19
- Hamada, Isao CA2020-01-07 active