Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4XVX callsign genealogy
Currently held by UPTAIN, JOEL Y
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 N4XVX's current licensee, walking backwards.
- Fitzgerald, DavidTNgranted 2013-09-21cancelled 2014-03-04
Successor callsigns
Callsigns held now by people who previously held N4XVX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4XVX, oldest first.
- UPTAIN, JOEL Y KY2001-07-11 → cancelled 2013-10-09
- Fitzgerald, David TN2024-11-09 active