Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7XIN callsign genealogy
Currently held by DUNCAN, JACK 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 N7XIN's current licensee, walking backwards.
- Huang, XinAZgranted 2024-03-19cancelled 2025-12-19
Successor callsigns
Callsigns held now by people who previously held N7XIN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7XIN, oldest first.
- DUNCAN, JACK T OR2002-03-19 → cancelled 2014-04-08
- Huang, Xin AZ2025-12-19 active