Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4EXG callsign genealogy
Currently held by Sibley, Jeff V
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 N4EXG's current licensee, walking backwards.
- Sibley, Jeff VTXgranted 2018-02-05cancelled 2020-03-27
Successor callsigns
Callsigns held now by people who previously held N4EXG.
- Sibley, Jeff VTXgranted 2020-05-19