Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NX4S callsign genealogy
Currently held by VINES, LARRY 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 NX4S's current licensee, walking backwards.
- Casto, Benjamin AVAgranted 2015-03-23cancelled 2017-06-02
Successor callsigns
Callsigns held now by people who previously held NX4S.
- VINES, LARRY AALgranted 2015-05-12
All historical holders
Every license row we've seen with the callsign NX4S, oldest first.
- VINES, LARRY A AL2008-10-31 → cancelled 2015-05-12
- Casto, Benjamin A VA2017-06-02 active