Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NX9J callsign genealogy
Currently held by DINSMORE JR, WILLIAM E
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 NX9J's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NX9J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NX9J, oldest first.
- DINSMORE JR, WILLIAM E FL2013-06-11 → cancelled 2025-09-09
- Ortiz, Christopher A NC2025-12-09 active