Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4XSA callsign genealogy
Currently held by Montgomery, James A
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 N4XSA's current licensee, walking backwards.
- Montgomery, James ATNgranted 2016-11-21cancelled 2017-01-31
Successor callsigns
Callsigns held now by people who previously held N4XSA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4XSA, oldest first.
- AMNOTT, TIMOTHY H TN1999-12-11 → cancelled 2011-12-28
- Montgomery, James A TN2017-01-31 active