Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2JSW callsign genealogy
Currently held by SHIMIZU, DAISUKE
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 N2JSW's current licensee, walking backwards.
- Wilson, Justin SINgranted 2015-08-27cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held N2JSW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2JSW, oldest first.
- SHIMIZU, DAISUKE NY1989-07-25 → cancelled 2001-07-26
- Wilson, Justin S IN2025-12-18 active