Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NX3L callsign genealogy
Currently held by Constantine Jr., Joseph B
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 NX3L's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NX3L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NX3L, oldest first.
- WINTER, ARTHUR L MD1999-08-08 → cancelled 2011-08-09
- Constantine Jr., Joseph B PA2022-03-29 active