Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NI2MA callsign genealogy
Currently held by Niitsuma, Toshiyuki
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 NI2MA's current licensee, walking backwards.
- Niitsuma, ToshiyukiCAgranted 2014-07-07cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held NI2MA.
No current licensee on record previously held this callsign.