Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9KAU callsign genealogy
Currently held by Taketani, Atsushi
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 N9KAU's current licensee, walking backwards.
- Taketani, AtsushiNYgranted 2026-03-18cancelled 2026-04-07
Successor callsigns
Callsigns held now by people who previously held N9KAU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9KAU, oldest first.
- TAKETANI, ATSUSHI NY2004-08-20 → cancelled 2016-08-23
- Taketani, Atsushi NY2026-04-07 active