Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NX3T callsign genealogy
Currently held by Monaghan, Martin
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 NX3T's current licensee, walking backwards.
- Monaghan, MartinPAgranted 2010-11-29cancelled 2012-01-24
Successor callsigns
Callsigns held now by people who previously held NX3T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NX3T, oldest first.
- WARWICK, DAVID CA1999-11-02 → cancelled 2011-12-28
- Monaghan, Martin PA2021-11-10 active