Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NT2D callsign genealogy
Currently held by Gonroff, John P
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 NT2D's current licensee, walking backwards.
- Hahn, Richard ENJgranted 2008-04-24cancelled 2017-07-08
Successor callsigns
Callsigns held now by people who previously held NT2D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NT2D, oldest first.
- Gonroff, John P FL2005-03-21 → cancelled 2017-06-20
- Hahn, Richard E NJ2017-07-08 active