Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI1AA callsign genealogy
Currently held by Tsuji, Masanobu
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 AI1AA's current licensee, walking backwards.
- Tsuji, MasanobuDCgranted 2017-08-07cancelled 2017-08-26
Successor callsigns
Callsigns held now by people who previously held AI1AA.
No current licensee on record previously held this callsign.