Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2DRB callsign genealogy
Currently held by Derby, John T
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 N2DRB's current licensee, walking backwards.
- Derby, John TNJgranted 2014-02-14cancelled 2018-03-16
Successor callsigns
Callsigns held now by people who previously held N2DRB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2DRB, oldest first.
- CRONIN JR, WILLIAM J NY2007-07-11 → cancelled 2016-02-03
- Derby, John T NJ2018-03-16 active