Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NX4JS callsign genealogy
Currently held by Smith, James M
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 NX4JS's current licensee, walking backwards.
- Smith, James MALgranted 2006-04-24cancelled 2010-05-21
Successor callsigns
Callsigns held now by people who previously held NX4JS.
No current licensee on record previously held this callsign.