Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2NND callsign genealogy
Currently held by Takagawa, Sadayoshi
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 N2NND's current licensee, walking backwards.
- TAKAGAWA, SADAYOSHINYgranted 2005-07-15cancelled 2005-08-10
Successor callsigns
Callsigns held now by people who previously held N2NND.
- Takagawa, SadayoshiTNgranted 2025-08-29
All historical holders
Every license row we've seen with the callsign N2NND, oldest first.
- MACH, JOSEPH E NY1991-08-06 → cancelled 2003-08-07
- Takagawa, Sadayoshi NY2005-08-10 → cancelled 2005-09-09