Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4NXD callsign genealogy
Currently held by Barthelemy, Ruben
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 K4NXD's current licensee, walking backwards.
- Barthelemy, RubenFLgranted 2015-11-10cancelled 2016-11-11
Successor callsigns
Callsigns held now by people who previously held K4NXD.
No current licensee on record previously held this callsign.