Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NT4DX callsign genealogy
Currently held by WHITE, GEORGE L
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 NT4DX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NT4DX.
- W7QOexpiredCONTEST PRESERVATION SOCIETYGAgranted 2000-02-18cancelled 2012-02-22
All historical holders
Every license row we've seen with the callsign NT4DX, oldest first.
- CONTEST PRESERVATION SOCIETY GA1996-12-18 → cancelled 2000-02-18
- WHITE, GEORGE L VA2017-03-13 active