Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2STU callsign genealogy
Currently held by ROSNER, RICHARD L
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 N2STU's current licensee, walking backwards.
- Greene, Stuart MDEgranted 2016-07-21cancelled 2026-02-27
Successor callsigns
Callsigns held now by people who previously held N2STU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2STU, oldest first.
- ROSNER, RICHARD L NY2012-11-06 → cancelled 2024-12-04
- Greene, Stuart M DE2026-02-27 active