Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4GTX callsign genealogy
Currently held by CHADWICK JR, CHARLES R
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 N4GTX's current licensee, walking backwards.
- Felix, Giovanni EGAgranted 2025-07-15cancelled 2025-08-05
Successor callsigns
Callsigns held now by people who previously held N4GTX.
- CHADWICK JR, CHARLES RILgranted 2001-01-03cancelled 2003-02-19
All historical holders
Every license row we've seen with the callsign N4GTX, oldest first.
- CHADWICK JR, CHARLES R IL1997-04-01 → cancelled 2001-01-03
- CHADWICK JR, CHARLES R FL2012-11-28 → cancelled 2025-02-20
- Felix, Giovanni E GA2025-08-05 active